Unknown Worlds of Science Fiction Prices & Unknown Worlds of Science Fiction Value Guide

Unknown Worlds of Science Fiction Issue list & price guide. Prices for all 6 Unknown Worlds of Science Fiction Issues.

Prices are updated daily based upon Unknown Worlds of Science Fiction listings that sold on eBay and our marketplace. Read our methodology.

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  Issue Raw 6.0 8.0
Unknown Worlds of Science Fiction #1 (1975) $28.16 $71.83 $86.00
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Unknown Worlds of Science Fiction #2 (1975) $11.18 $27.84 $46.73
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Unknown Worlds of Science Fiction #3 (1975) $13.61 $27.70 $46.36
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Unknown Worlds of Science Fiction #4 (1975) $10.54 $29.91 $41.00
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Unknown Worlds of Science Fiction #5 (1975) $12.16 $34.14 $56.39
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Unknown Worlds of Science Fiction #6 (1975) $6.51 $20.24 $34.18
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