Adventures into the Unknown #156 (1965) — Comic Book Value

Adventures Into The Unknown

What Adventures into the Unknown #156 (1965) is worth — ungraded and CGC graded (6.0, 8.0).

Adventures into the Unknown #156 (1965) value — Ungraded $3 · Grade 6.0 $18 · Grade 8.0 $37. Prices updated August 2026.

Series · Adventures Into The Unknown
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Value by grade
$3
Ungraded
6.0×
$18
Grade 6.0
12.3×
$37
Grade 8.0

Real sold prices per grade — the Grade 8.0 premium on this card is 12.3× raw.

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Item details

Series
Adventures Into The Unknown

Adventures into the Unknown #156 (1965) comic value

An ungraded copy of Adventures into the Unknown #156 (1965) averages around $3. A CGC 6.0 runs about $18, and a CGC 8.0 commands $37.

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$3eBay sold comps
Grade 6.0$18eBay sold comps
Grade 8.0$37eBay sold comps

Frequently asked questions

What is the current market value for this comic?
The value depends on the grade; it is listed at $22 for a 6.0 and $45 for an 8.0.
Is the ungraded copy still worth buying?
Yes, the ungraded copy is available, offering a lower entry point into this series.
Which grade offers the best investment potential?
The Grade 8.0 copy is valued higher at $45, suggesting better market appreciation potential.

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