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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 based upon Unknown Worlds of Science Fiction listings that sold on eBay and other marketplaces.

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Unknown Worlds of Science Fiction #1 (1975)

Ungraded: $13.21

Unknown Worlds of Science Fiction #2 (1975)

Ungraded: $7.65

Unknown Worlds of Science Fiction #3 (1975)

Ungraded: $11.59

Unknown Worlds of Science Fiction #4 (1975)

Ungraded: $9.98

Unknown Worlds of Science Fiction #5 (1975)

Ungraded: $10.48

Unknown Worlds of Science Fiction #6 (1975)

Ungraded: $12.47