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Koffing #51 Pokemon Base Set

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PSA $25 Off Code: PC25 Code: PC25

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Ungraded	Grade 7	Grade 8	Grade 9	Grade 9.5	PSA 10
$1.39 -$0.40	$15.80 -$0.02	$19.13 -$3.09	$36.00 +$0.25	$40.00 +$1.00	$116.64 $0.00	+
volume: 3 sales per week	volume: 4 sales per year	volume: 1 sale per week	volume: 1 sale per week	volume: 2 sales per year	volume: 2 sales per month	+

Grade 9	Grade 9.5	PSA 10
$36.00 +$0.25	$40.00 +$1.00	$116.64 $0.00
volume: 1 sale per week	volume: 2 sales per year	volume: 2 sales per month

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Ungraded Sold Listings (60)

Grade 7 Sold Listings (20)

Grade 8 Sold Listings (29)

Grade 9 Sold Listings (28)

PSA 10 Sold Listings (28)

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Loose Price	Add typical shipping costs
eBay	$0.50
TCGPlayer	$0.73
PriceCharting	$1.79 + free shipping

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Sale Date ▲ ▼	TW	Title ▲ ▼	▲ ▼ Price
2026-06-14	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 Pokémon 1999 Unlimited Base Set LP 51/102 [eBay]	$1.39	Report It
2026-06-14		Koffing #51 Near Mint English [TCGPlayer]	$0.81
2026-06-14	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	KOFFING - Base Set - 51/102 - Common - Pokemon Card - Unlimited Edition NM 051/102 [eBay]	$0.99	Report It
2026-06-14	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokemon tcg Base Set Koffing Lightly played 051/102 [eBay]	$2.99	Report It
2026-06-13	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Classic - Base Set Koffing #51 Non Holo Pokemon Card #51 [eBay]	$1.99	Report It
2026-06-13		Koffing #51 Near Mint English [TCGPlayer]	$0.50
2026-06-12	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing Common Base Set 051/102 Grass Pokemon Card 051/102 [eBay]	$1.99	Report It
2026-06-12	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 Base Set Pokémon Card Vintage 1999 Regular LP 051/102 [eBay]	$1.40	Report It
2026-06-11	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokémon Card Koffing 51/102 Base Set Unlimited Vintage NM-Mint 51/102 [eBay]	$5.49	Report It
2026-06-11	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Wizards of the Coast Pokemon Base Set Koffing 51/102 1999 EN 50 HP 051/102 [eBay]	$1.49	Report It
2026-06-10	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 Base Set 1999 Pokemon Card LP [eBay]	$1.79	Report It
2026-06-09		Koffing #51 Near Mint English [TCGPlayer]	$0.69
2026-06-07	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 Common Base Set Unlimited Pokemon Lightly Played 51/102 [eBay]	$1.99	Report It
2026-06-04	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokémon TCG Koffing Base Set, Unlimited Common Card 51/102 051/102 [eBay]	$1.25	Report It
2026-06-04	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokemon TCG Koffing Base Set 51/102 Unlimited Common Card WOTC LP+ H1 051/102 [eBay]	$1.59	Report It
2026-06-04	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 Common Base Set Unlimited Pokemon Lightly Played 51/102 [eBay]	$1.99	Report It
2026-06-04	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 Common Base Set Unlimited Pokemon Lightly Played 51/102 [eBay]	$1.99	Report It
2026-06-04	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 Common Base Set Unlimited Pokemon Lightly Played 51/102 [eBay]	$2.49	Report It
2026-06-03	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 Common Base Set Unlimited Pokemon Damaged 51/102 [eBay]	$1.49	Report It
2026-06-02	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 Base Set 1999 Pokemon Card VLP [eBay]	$1.80	Report It
2026-06-02	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 Common Base Set Unlimited Pokemon Lightly Played 51/102 [eBay]	$1.99	Report It
2026-06-01	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 HP Base Set English Pokemon Card TCG 51/102 [eBay]	$1.99	Report It
2026-05-30	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 Common Base Set Unlimited Pokemon Lightly Played 51/102 [eBay]	$1.99	Report It
2026-05-30	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing Pokemon Base Set #51 1999 [eBay]	$1.42	Report It
2026-05-30	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	POKEMON KOFFING 51/102 BASE SET COMMON NEAR MINT [eBay]	$1.29	Report It
2026-05-30	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 Common Base Set Unlimited Pokemon LP 51/102 [eBay]	$2.00	Report It
2026-05-30		Koffing #51 Near Mint English [TCGPlayer]	$0.97
2026-05-30	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 Pokémon 1999 Unlimited Base Set LP [eBay]	$1.29	Report It
2026-05-28	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	KOFFING 51/102 COMMON BASE SET UNLIMITED POKEMON LP 51/102 [eBay]	$2.37	Report It
2026-05-28	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 Base Set Unlimited & Weezing 45/62 Fossil Unlimited Pokémon TCG 45/62 [eBay]	$2.83	Report It
2026-05-28	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokémon TCG Koffing Base Set 51/102 Regular Unlimited Common 051/102 [eBay]	$0.99	Report It
2026-05-27	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokémon TCG Koffing Base Set 51/102 Regular Unlimited Common HP 051/102 [eBay]	$1.29	Report It
2026-05-25	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 Pokemon Card Base Set Common 50 HP Lightly Played N47 51/102 [eBay]	$1.00	Report It
2026-05-25		Koffing #51 Near Mint English [TCGPlayer]	$1.00
2026-05-24		Koffing #51 Near Mint English [TCGPlayer]	$1.25
2026-05-24	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 Pokemon Base Set WOTC 1999 Unlimited Vintage LP-NM 51/102 [eBay]	$2.15	Report It
2026-05-20		Koffing #51 Near Mint English [TCGPlayer]	$1.06
2026-05-15		Koffing #51 Near Mint English [TCGPlayer]	$0.72
2026-05-10		Koffing #51 Near Mint English [TCGPlayer]	$0.30
2026-05-05		Koffing #51 Near Mint English [TCGPlayer]	$0.88
2026-04-25		Koffing #51 Near Mint English [TCGPlayer]	$0.96
2026-04-20		Koffing #51 Near Mint English [TCGPlayer]	$0.25
2026-04-19		Koffing #51 Near Mint English [TCGPlayer]	$0.75
2026-04-15		Koffing #51 Near Mint English [TCGPlayer]	$0.72
2026-04-10		Koffing #51 Near Mint English [TCGPlayer]	$0.67
2026-04-05		Koffing #51 Near Mint English [TCGPlayer]	$0.44
2026-03-31		Koffing #51 Near Mint English [TCGPlayer]	$0.50
2026-03-26		Koffing #51 Near Mint English [TCGPlayer]	$0.69
2026-03-21		Koffing #51 Near Mint English [TCGPlayer]	$0.57
2026-03-20		Koffing Base Set NM - SHIPS TODAY! #51 Near Mint English [TCGPlayer]	$0.59
2026-03-16		Koffing #51 Near Mint English [TCGPlayer]	$0.70
2026-03-11		Koffing #51 Near Mint English [TCGPlayer]	$0.69
2026-03-06		Koffing #51 Near Mint English [TCGPlayer]	$0.58
2026-03-01		Koffing #51 Near Mint English [TCGPlayer]	$0.69
2026-02-24		Koffing #51 Near Mint English [TCGPlayer]	$0.61
2026-02-19		Koffing #51 Near Mint English [TCGPlayer]	$0.46
2026-02-14		Koffing #51 Near Mint English [TCGPlayer]	$0.20
2026-02-09		Koffing #51 Near Mint English [TCGPlayer]	$0.30
2026-02-08		Koffing #51 Near Mint English [TCGPlayer]	$0.38
2026-02-04		Koffing #51 Near Mint English [TCGPlayer]	$0.28

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Sale Date ▲ ▼	TW	Title ▲ ▼	▲ ▼ Price
2026-03-11	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokémon Koffing 051/102 Base Set Regular PSA 7 051/102 [eBay]	$29.00 $35.00	$35.00	Report It
2026-02-28	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	CGC 7.5 Koffing 1999 Pokemon Base Set #51 Slab Same Day Shipping PSA TCG #51 [eBay]	$13.53		Report It
2026-02-15	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 1999 Pokemon Base Set CGC 7.5 Near Mint+ [eBay]	$2.25		Report It
2025-10-01	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 7 #51 [eBay]	$19.99		Report It
2025-09-24	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 7 #51 [eBay]	$13.50		Report It
2025-08-13	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Base Set Koffing 51/102 PSA 7 15/109 [eBay]	$24.98		Report It
2025-06-23	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	PSA7 NM Vintage 1999 Pokemon Game Base Set Koffing #51 #51 [eBay]	$15.00		Report It
2025-04-04	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	PSA7 Near Mint Vintage 1999 Pokemon Game Base Set Koffing #51 #51 [eBay]	$20.00		Report It
2025-03-03	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing Base Set PSA 7 51/102 WOTC Pokémon 51/102 [eBay]	$13.50		Report It
2024-12-29	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing Base Set Pokemon TCG PSA 7 [eBay]	$19.99		Report It
2024-10-07	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokémon TCG -CGC 7- Koffing Base Set 51/102 Regular Unlimited Common 051/102 [eBay]	$5.00		Report It
2024-08-10	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Card Base Set Unlimited Koffing #51 Graded CGC 7.5 NM+ #51 [eBay]	$8.00		Report It
2024-04-25	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokémon TCG Vintage Koffing 1999 Base Set 51/102 Regular Unlimited Common PSA 7 51/102 [eBay]	$11.00
2023-12-21	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Base Set Koffing #51 PSA 7 NM New Slab! #51 [eBay]	$9.99
2023-06-17		1999 POKEMON GAME #51 KOFFING PSA 7 NEAR MINT NM BASE SET [eBay]	$6.50
2023-04-29		1999 POKEMON GAME #51 KOFFING PSA 7 NEAR MINT NM BASE SET [eBay]	$19.99
2023-04-14		Pokémon TCG, Koffing, Base Set 51/102, Regular Unlimited Common, PSA 7 Near Mint 51/102 [eBay]	$4.40
2022-10-30		1999 Base Set Unlimited Koffing 51/102 Pokemon PSA 7 [eBay]	$10.50
2022-08-23		1999 Base Set Unlimited Koffing 51/102 Pokemon PSA 7 [eBay]	$20.00
2021-12-05		1999 Pokemon Base Set Koffing 51/102 PSA 7 Near Mint [eBay]	$2.25

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Sale Date ▲ ▼	TW	Title ▲ ▼	▲ ▼ Price
2026-06-09	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokémon Base Set Koffing 51/102 CGC 8.5 NM/Mint+ Vintage WOTC Slab 51/102 [eBay]	$14.99		Report It
2026-06-06	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 CGC 8 Base Set Pokemon Card [eBay]	$23.26 $27.40	$27.40	Report It
2026-06-06	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET #51/102 KOFFING CGC 8 51/102 [eBay]	$12.00		Report It
2026-05-27	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	BGS 8 NM Mint Base Set Unlimited Koffing 51/102 Pokemon Card 1999 51/102 [eBay]	$25.00		Report It
2026-05-17	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokemon Cards - PSA 8 Koffing 51/102 - Base Set Unlimited - NM-MT - PSA8 051/102 [eBay]	$33.30		Report It
2026-05-16	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 8 #51 [eBay]	$22.75		Report It
2026-04-21	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	PSA 8 NM-MT Koffing 51/102 4th Print Base Set Pokemon Trading Card [eBay]	$24.88		Report It
2026-04-16	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokémon Base Set Koffing 51/102 CGC 8.5 NM/Mint+ Vintage WOTC Slab 51/102 [eBay]	$16.09		Report It
2026-04-15	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokémon Koffing Base Set 51/102 Regular 1999 Common Basic 50 HP CGC 8 051/102 [eBay]	$1.65		Report It
2026-04-14	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET UNLIMITED #51 KOFFING CGC 8 1999 (Blue Label) #51 [eBay]	$12.00		Report It
2026-04-06	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 8 #51 [eBay]	$24.70		Report It
2026-04-04	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 8 #51 [eBay]	$24.50		Report It
2026-03-28	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 8 #51 [eBay]	$22.22		Report It
2026-03-22	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Koffing Base Set #51 PSA 8 Partial Set Break 051/102 [eBay]	$4.31		Report It
2026-03-22	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Koffing Base Set #51 PSA 8 Partial Set Break 051/102 [eBay]	$11.50		Report It
2026-03-20	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 8 #51 [eBay]	$22.50		Report It
2026-03-11	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON #51 KOFFING BASE SET UNLIMITED NM-MT PSA 8 #51 [eBay]	$32.00 $50.00	$50.00	Report It
2026-03-08	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokemon Koffing Base Set Unlimited #51 CGC 8.5 [eBay]	$8.50		Report It
2026-03-06	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 8 #51 [eBay]	$19.49		Report It
2026-02-08	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokemon - Base Set #051/102 Koffing CGC 8.5 FREE SHIPPING (US Only) 51/102 [eBay]	$9.59		Report It
2026-01-11	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 8 #51 [eBay]	$32.00		Report It
2026-01-10	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET UNLIMITED #51 KOFFING CGC 8.5 [eBay]	$9.99		Report It
2025-12-19	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Base Set: # 51 Koffing CGC 8.5 NM/MINT+ [eBay]	$8.06		Report It
2025-12-01	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokemon Koffing Base Set Unlimited #51 CGC 8.5 [eBay]	$7.00		Report It
2025-08-29	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 8 #51 [eBay]	$26.50		Report It
2025-08-12	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokemon 1999 Koffing 051/102 Base Set Unlimited CGC 8 051/102 [eBay]	$7.99		Report It
2025-08-04	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Base Set Koffing 51/102 PSA 8 15/109 [eBay]	$34.99		Report It
2025-07-17	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	PSA 8.5 Base Set Unlimited Koffing 51/102 Pokemon Cards 1999 051/102 [eBay]	$29.99		Report It
2025-06-21	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	PSA8 Vintage 1999 Pokemon Game Base Set Koffing #51 #51 [eBay]	$20.00		Report It

See an incorrect/misclassified sale? Please click "report" to notify admin.

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Sale Date ▲ ▼	TW	Title ▲ ▼	▲ ▼ Price
2026-06-15	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	🍃 Koffing 51/102 Pokemon Card - 1999 Base Set, BGS 9 51/102 [eBay]	$22.00		Report It
2026-05-27	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 9 #51 [eBay]	$40.98		Report It
2026-05-24	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokémon Base Set Unlimited Koffing #51/102 - CGC 9 51/102 [eBay]	$10.52		Report It
2026-05-09	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Game—Koffing #51 Base Set— PSA 9 #51 [eBay]	$51.75		Report It
2026-05-07	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokémon Koffing 51/102 Base Set Common Regular PSA 9 English (1999) 51/102 [eBay]	$45.00 $55.00	$55.00	Report It
2026-05-04	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokémon Game Base Set Koffing Unlimited PSA 9 #51 051/102 [eBay]	$40.00		Report It
2026-05-01	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET UNLIMITED #51 KOFFING CGC 9 1999 (Blue Label) #51 [eBay]	$19.99		Report It
2026-04-14	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Game #51 Koffing PSA 9 Card MINT Trusted Seller Free Ship! Base Set #51 [eBay]	$32.47		Report It
2026-04-06	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 9 #51 [eBay]	$45.99		Report It
2026-03-25	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 9 #51 [eBay]	$41.00		Report It
2026-03-22	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 9 #51 [eBay]	$29.00		Report It
2026-03-22	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 9 #51 [eBay]	$34.00		Report It
2026-03-15	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 9 #51 [eBay]	$41.00		Report It
2026-03-03	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON GAME BASE SET 51 KOFFING PSA 9 MINT [eBay]	$54.99		Report It
2026-03-02	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	PSA 9 Koffing 051/102 Pokemon Base Set Regular Mint Free Shipping 051/102 [eBay]	$21.24		Report It
2026-02-28	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing Base Set PSA 9 Pokemon 51/102 TCG 1999 Unlimited 051/102 [eBay]	$37.54		Report It
2026-02-25	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 9 #51 [eBay]	$27.75		Report It
2026-02-24	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokémon TCG Koffing Base Set #51/102 PSA 9 English Common 1999 051/102 [eBay]	$32.50 $38.99	$38.99	Report It
2026-01-18	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokemon 1999 Base set Koffing card MINT PSA 9 [eBay]	$39.99		Report It
2026-01-15	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON GAME BASE SET 51 KOFFING PSA 9 MINT [eBay]	$37.99		Report It
2026-01-10	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 9 #51 [eBay]	$29.99		Report It
2026-01-06	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	PSA 9 - Koffing 51/102 Base Set Common Pokemon TCG 1999 Unlimited [eBay]	$40.35		Report It
2026-01-01	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 Base Set PSA 9 MINT Graded Pokémon TCG Card WOTC 1999 #51 [eBay]	$37.25		Report It
2025-12-20	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 English Pokemon Base Set Unlimited Koffing Card 51/102 PSA 9 051/102 [eBay]	$22.00		Report It
2025-10-21	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokémon TCG Koffing Base Set, Unlimited Common Card 51/102 Psa 9 051/102 [eBay]	$23.00		Report It
2025-10-03	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 9 #51 [eBay]	$69.69		Report It
2025-10-01	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokémon TCG Koffing Base Set, Unlimited Common Card 51/102 PSA 9 051/102 [eBay]	$28.99		Report It
2025-09-29	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 9 #51 [eBay]	$31.00		Report It

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Sale Date ▲ ▼	TW	Title ▲ ▼	▲ ▼ Price
2026-01-24	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Base Set Koffing #51 CGC 9.5 #51 [eBay]	$18.00	Report It
2025-12-29	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon TCG Base Set #51/102 Koffing CGC 9.5 MINT+ [eBay]	$14.50	Report It
2025-10-01	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Base Set #51/102 Koffing CGC 9.5 MINT+ [eBay]	$10.49	Report It
2025-04-07	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Koffing Base Set POKEMON CGC 9.5 SCUFFED SLAB #51 [eBay]	$20.00	Report It
2024-03-08	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Base Set #51 Koffing CGC 9.5 MINT+ [eBay]	$11.50

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Sale Date ▲ ▼	TW	Title ▲ ▼	▲ ▼ Price
2026-05-29	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 Base Set 1999 Unlimited Pokemon PSA 10 GEM MINT LOW POP of 54 051/102 [eBay]	$134.56		Report It
2026-05-29	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 10 #51 [eBay]	$125.00		Report It
2026-04-17	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Base Set Unlimited #51 Koffing Gem Mt PSA 10 #51 [eBay]	$115.00 $135.00	$135.00	Report It
2026-03-30	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 10 #51 [eBay]	$92.00		Report It
2026-03-30	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokemon Koffing Base Set Unlimited #51 PSA 10 Gem Mint [eBay]	$91.00		Report It
2026-03-14	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 Base Set (Unlimited) Pokemon Card PSA 10 #PSA CGC BGS [eBay]	$100.00 $110.00	$110.00	Report It
2026-03-07	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokémon Koffing Base Set #51 1999 PSA 10 GEM MT Regular English 051/102 [eBay]	$100.00		Report It
2026-01-19	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 Base Set (Unlimited) Pokemon Card PSA 10 #PSA CGC BGS [eBay]	$98.00		Report It
2025-12-07	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	KOFFING #51 PSA 10 1999 POKEMON Base Set Unlimited WOTC #51 [eBay]	$66.02		Report It
2025-11-22	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokemon Koffing Base Set Unlimited #51 PSA 10 Gem Mint [eBay]	$100.00		Report It
2025-11-17	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	KOFFING #51 PSA 10 1999 POKEMON Base Set Unlimited WOTC [eBay]	$85.50		Report It
2025-10-17	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Game Base Set Koffing #51, PSA Grade 10 Gem Mint #51 [eBay]	$72.00 $79.99	$79.99	Report It
2025-09-16	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Base Set Koffing 51/102 PSA 10 Gem Mint Rare Card Wotc Vintage [eBay]	$44.00		Report It
2025-08-25	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Koffing #51 Base Set Unlimited English 51/102 PSA 10 GEM MINT #51 [eBay]	$84.99		Report It
2025-08-18	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON GAME BASE SET 51 KOFFING PSA 10 GEM MINT #51 [eBay]	$44.00		Report It
2025-08-16	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing Pokemon 1999 PSA Gem Mint 10 Base Set 051/102 [eBay]	$70.00		Report It
2025-08-03	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokemon 1999 Base Set Unlimited Koffing 51/102 PSA 10 [eBay]	$83.58		Report It
2025-07-29	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON GAME BASE SET 51 KOFFING PSA 10 GEM MINT #51 [eBay]	$83.99		Report It
2025-07-13	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Koffing Base Set Unlimited Pokemon PSA 10 Gem Mint #51 [eBay]	$80.00		Report It
2025-06-08	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokemon Koffing Base Set Unlimited #51 PSA 10 Gem Mint [eBay]	$65.00		Report It
2025-04-09	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokemon Koffing Base Set Unlimited #51 PSA 10 Gem Mint [eBay]	$65.00		Report It
2025-03-30	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokemon Koffing Base Set Unlimited #51 PSA 10 Gem Mint [eBay]	$51.00		Report It
2025-02-24	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 Base Set 1999 Unlimited Pokemon PSA 10 GEM MINT [eBay]	$62.62		Report It
2025-02-23	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokemon Koffing Base Set Unlimited #51 PSA 10 Gem Mint [eBay]	$53.00		Report It
2025-01-16	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON GAME #51 KOFFING PSA 10 GEM MINT BASE SET #64 [eBay]	$89.99		Report It
2025-01-14	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 Base Set 1999 Unlimited Pokemon PSA 10 GEM MINT [eBay]	$72.92		Report It
2025-01-04	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokemon [Wizards Of The Coast] Base Set Card #51 Koffing PSA 10 [eBay]	$74.41		Report It
2024-12-21	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 Pokemon Base Set PSA 10 GEM MINT 51/102 [eBay]	$39.99		Report It

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No sales data for this card and grade

Any value shown for this card with this grade is an estimate based on sales we've found for other grades and the age of the card.
This estimate is based on the card being PSA or BGS graded. Grades from other companies could be worth much less.

No sales data for this card and grade

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Sale Date ▲ ▼	TW	Title ▲ ▼	▲ ▼ Price
2023-09-26	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Base Set KOFFING 51/102 NM-Mint PSA 4 #51 [eBay]	$3.25

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Sale Date ▲ ▼	TW	Title ▲ ▼	▲ ▼ Price
2025-11-15	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokémon TCG Koffing Base Set, Unlimited Common Card 51/102 PSA 5 051/102 [eBay]	$4.25	Report It
2025-07-15	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Base Set #51/102 Koffing CGC 5.5 EX+ [eBay]	$5.50	Report It
2024-09-28	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET UNLIMITED#51 KOFFING PSA 5 [eBay]	$6.00	Report It
2024-08-25	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	POKEMON BASE SET UNLIMITED #51 KOFFING PSA 5 [eBay]	$5.00	Report It
2024-05-07	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Base Set Koffing 51/102 PSA 5 EX - Free And Fast 🚚 [eBay]	$12.57
2024-03-18	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokemon - Smogon/ Koffing - Base Set 1. Edition #51/102 - PSA 5 [eBay]	$12.52
2022-01-24		1999 Pokémon TCG Koffing Base Set 51/102 PSA 5 Low Pop 51/102 [eBay]	$10.00

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Sale Date ▲ ▼	TW	Title ▲ ▼	▲ ▼ Price
2026-05-08	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokémon Koffing 051/102 Base Set Regular PSA 6 051/102 [eBay]	$18.99	Report It
2026-04-30	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 POKEMON BASE SET #51 KOFFING SGC 6 [eBay]	$8.50	Report It
2025-12-23	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Game Koffing PSA 6,- 51/102 - Base Set PSA 6 51/102 [eBay]	$25.00	Report It
2025-11-20	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon - Base Set Regular - Koffing 051/102 - PSA 6 051/102 [eBay]	$14.99	Report It
2025-05-03	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokemon Koffing 1999 Base Set - Unlimited 51/102 CGC 6 51/102 [eBay]	$11.00	Report It
2024-11-03	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokémon Base Set Unlimited - Koffing - PSA 6 EX-MT [eBay]	$6.19	Report It
2024-04-21	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokemon Card PSA 6 EX MT 1999 POKEMON GAME 51 KOFFING Base Set [eBay]	$10.00
2022-01-02		Pokemon Koffing PSA 6 Base Set #51 [eBay]	$5.50

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Sale Date ▲ ▼	TW	Title ▲ ▼	▲ ▼ Price
2026-05-28	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 Base Set Pokemon CGC 10 Gem Mint 51/102 [eBay]	$35.00	Report It
2026-05-12	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Base Set Koffing 51/102 CGC 10 #51/102 Gem Mint 51/102 [eBay]	$46.00	Report It
2026-05-12	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokémon Koffing Base Set 1999 51/102 CGC Gem Mint 10 English Common 051/102 [eBay]	$20.00	Report It
2026-05-03	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokemon TCG - Koffing - 51/102 - Base Set - Unlimited CGC 10 51/102 [eBay]	$31.00	Report It
2026-02-03	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 Base Set Pokemon CGC 10 Gem Mint 51/102 [eBay]	$35.00	Report It
2025-12-29	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokémon Base Set Koffing #51/102 – CGC 10 Gem Mint – Vintage WOTC 51/102 [eBay]	$23.50	Report It
2025-12-04	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Base Set #51/102 Koffing CGC 10 GEM MINT [eBay]	$26.00	Report It
2025-11-05	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokémon Base Set Koffing 051/102 CGC 10 Gem Mint 051/102 [eBay]	$10.50	Report It
2025-10-27	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokémon Base Set Koffing 051/102 CGC 10 Gem Mint 051/102 [eBay]	$49.99	Report It
2025-10-05	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Base Set Koffing 51/102 Unlimited Non-Holo Common CGC 10 [eBay]	$27.99	Report It
2025-06-05	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing - CGC 10 Gem Mint Graded - 1999 Base Set 51/102 Gas Pokemon Card 51/102 [eBay]	$29.99	Report It
2025-05-30	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Base Set Koffing 51/102 Unlimited Non-Holo Common CGC 10 51/102 [eBay]	$25.00	Report It
2025-05-05	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Graded CGC 10 Pokémon TCG Koffing Base Set 51/102 Unlimited Common (1999) 051/102 [eBay]	$20.50	Report It
2025-04-08	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Base Set Koffing 51/102 Unlimited Non-Holo Common CGC 10 51/102 [eBay]	$41.00	Report It
2025-03-28	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Base Set Koffing 51/102 Unlimited Non-Holo Common CGC 10 [eBay]	$26.99	Report It
2025-03-21	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Koffing 051/102 Pokemon Base Set Regular CGC 10 GEM MINT 051/102 [eBay]	$20.50	Report It
2025-03-14	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	CGC 10 KOFFING POKEMON (1999) BASE SET #51/102 GEM MINT 51/102 [eBay]	$89.99	Report It
2025-02-11	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	CGC 10 GEM MINT Koffing Base Set 51/102 Pokemon Card 51/102 [eBay]	$27.99	Report It
2025-01-04	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing Pokemon (1999) Base Set #51/102 CGC 10 GEM MINT 51/102 [eBay]	$28.00	Report It
2024-10-01	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Base Set Koffing 51/102 Unlimited CGC Gem Mint 10 51/102 [eBay]	$27.00	Report It
2024-09-29	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Koffing 51/102 Unlimited - CGC Gem Mint 10 - Base Set - Pokemon TCG 1999 51/102 [eBay]	$27.99	Report It
2024-05-10	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokémon TCG Koffing Base Set 51/102 Regular Unlimited CGC GEM MINT 10 !!! 51/102 [eBay]	$8.50
2024-04-26	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon TCG Base Set Koffing #51 CGC Gem Mint 10 #51 [eBay]	$37.00
2024-04-20	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokémon TCG Koffing Base Set 51/102 Regular Unlimited Common 51/102 [eBay]	$12.55
2024-04-19	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokemon CGC Graded Gem Mint 10 Base Set Koffing 51/102 (1999) 51/102 [eBay]	$14.50
2024-03-07	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokemon Koffing Base Set 51/102 CGC Gem Mint 10 Unlimited Psa 51/102 [eBay]	$11.50

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Sale Date ▲ ▼	TW	Title ▲ ▼	▲ ▼ Price
2026-02-27	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokemon Base Set Koffing Unlimited CGC Pristine 10 51/102 [eBay]	$126.50		Report It
2026-01-25	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Cert # Ends 42069 1999 Pokemon Base Set Koffing Unlimited CGC Pristine 10 Rare 51/102 [eBay]	$255.00 $420.69	$420.69	Report It
2025-06-17	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	Pokemon 1999 BASE SET Koffing CGC PRISTINE 10! 51/102 [eBay]	$42.93		Report It
2025-06-15	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokémon Base Set Koffing 51/102 CGC PRISTINE 10 051/102 [eBay]	$51.00		Report It
2024-05-03	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon TCG Base Set Koffing #51 CGC Pristine 10 #51 [eBay]	$45.00
2024-05-03	Time Warp shows photos of completed sales. >Subscribe ($6/month) to see photos. OK	1999 Pokemon Base Set #51 Koffing CGC 10 PRISTINE [eBay]	$42.78

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No sales data for this card and grade

Graded Population Report: Koffing #51

Visualize the distrbution of grades in the chart. Hover or touch points to see the actual population for each grade.

Grade Your Cards &Save $25 Use Code: PC25

* population census updated monthly

Click tabs to see historic sales data.
Click on a listing to see full details. Ok

Koffing #51 (Pokemon Base Set) Details

See:	Population Report
Genre:	Pokemon Card
Release Date:	June 1, 1995
Publisher:	none
Card Number:	#51
Print Run:	n/a
Notes:	none

ePID (eBay):	none
TCGPlayer ID:	42395
PriceCharting ID:	630464

Description:	none

More Photos: Pokemon Base Set: Koffing #51

Main Image

Full Price Guide: Koffing #51 (Pokemon Base Set)

Ungraded	$1.39
Grade 1	-
Grade 2	$3.00
Grade 3	$3.00
Grade 4	$3.25
Grade 5	$5.19
Grade 6	$14.88
Grade 7	$15.80
Grade 8	$19.13
Grade 9	$36.00
Grade 9.5	$40.00
TAG 10	-
ACE 10	-
SGC 10	$70.00
CGC 10	$33.00
PSA 10	$116.64
BGS 10	$152.00
BGS 10 Black	$760.00
CGC 10 Pristine	$126.50

All prices are the current market price.

Koffing #51 (Pokemon Base Set | Pokemon Cards) prices are based on the historic sales. The prices shown are calculated using our proprietary algorithm.
Historic sales data are completed sales with a buyer and a seller agreeing on a price. We do not factor unsold items into our prices.
Chart shows the price of Koffing #51 at the end of each month going back as long as we have tracked the item.

Loose Price	Add typical shipping costs
Site	Price
eBay	$0.50
TCGPlayer	$0.73
PriceCharting	$1.79 + free shipping