Adventures into the Unknown #15 (1951) — Comic Book Value

Adventures Into The Unknown

What Adventures into the Unknown #15 (1951) is worth — ungraded and CGC graded (6.0, 8.0).

Adventures into the Unknown #15 (1951) value — Ungraded $72 · Grade 8.0 $366. Prices updated August 2026.

Series · Adventures Into The Unknown
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Series
Adventures Into The Unknown

Adventures into the Unknown #15 (1951) comic value

An ungraded copy of Adventures into the Unknown #15 (1951) averages around $72. A CGC 6.0 runs about null, and a CGC 8.0 commands $366.

What drives the price

Grade is everything in comics — spine ticks, page color, and restoration decide the number, and the jump from raw to high grade can be 10×+. Key issues (first appearances, origins, deaths) carry the biggest premiums, and early printings beat reprints.

Price guide

Sold values by grade vs. what sellers ask today

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ConditionValueBased on
Ungraded$72eBay sold comps
Grade 8.0$366eBay sold comps

Frequently asked questions

What is the value difference between the ungraded and graded copy?
The ungraded copy is listed at $91, whereas the 8.0 graded copy is priced significantly higher at $367.
Is this series still popular for collectors?
Yes, this is from the Adventures Into The Unknown series, a sought-after title for collectors.
What is the original publication year of this comic?
Adventures into the Unknown #15 was originally published in 1951.

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