Adventure Comics #56 (1940) — Comic Book Value

Adventure Comics

What Adventure Comics #56 (1940) is worth — ungraded and CGC graded (6.0, 8.0).

Adventure Comics #56 (1940) value — Ungraded $139 · Grade 6.0 $900 · Grade 8.0 $1,434. Prices updated August 2026.

Series · Adventure Comics
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Value by grade
$139
Ungraded
6.5×
$900
Grade 6.0
10.3×
$1,434
Grade 8.0

Real sold prices per grade — the Grade 8.0 premium on this card is 10.3× raw.

Complete-in-box price history

Monthly CIB value, based on sold comps.

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Item details

Series
Adventure Comics
Publisher
DC
Issue
#56
Key issue
No
Release date
November 1, 1940

Adventure Comics #56 (1940) comic value

An ungraded copy of Adventure Comics #56 (1940) averages around $139. A CGC 6.0 runs about $900, and a CGC 8.0 commands $1434.

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$139eBay sold comps
Grade 6.0$900eBay sold comps
Grade 8.0$1,434eBay sold comps

Frequently asked questions

What is the starting value for Adventure Comics #56?
The ungraded version of Adventure Comics #56 is currently valued at $139.
How much is a high-grade copy of this comic worth?
A Grade 8.0 copy of Adventure Comics #56 is listed at $1434.
Is there a significant price jump between ungraded and graded?
Yes, the price increases substantially; a Grade 6.0 copy is valued at $900.

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