Detective Comics #40 (1940) — Comic Book Value

Detective Comics

What Detective Comics #40 (1940) is worth — ungraded and CGC graded (6.0, 8.0).

Detective Comics #40 (1940) value — Ungraded $2,992 · Grade 6.0 $36,000. Prices updated August 2026.

Series · Detective Comics
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Value by grade
$2,992
Ungraded
12.0×
$36,000
Grade 6.0

Real sold prices per grade — the Grade 6.0 premium on this card is 12.0× raw.

Complete-in-box price history

Monthly CIB value, based on sold comps.

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Which version do you have?

If you just want to own Detective Comics #40, the Newsstand version at $12 is the cheapest. The higher-priced versions like Standard ($2992) or Combo-Pack ($6) offer different editions or packaging, with the Standard version representing the primary collectible state. Save your money and buy the Newsstand copy unless you specifically desire the premium presentation or rarity of the more expensive variants.

JunkPal AI· resale insightanalyzing sold comps…

Price data verified against · 1

Item details

Series
Detective Comics
Publisher
DC
Issue
#40
Key issue
No
Release date
June 1, 1940

Detective Comics #40 (1940) comic value

An ungraded copy of Detective Comics #40 (1940) averages around $2992. A CGC 6.0 runs about $36000, and a CGC 8.0 commands null.

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$2,992eBay sold comps
Grade 6.0$36,000eBay sold comps
Live asking — low / typical / high$3.99 / $1,820 / $4,8236 live eBay listings

Market check: As of July 17, 2026, 6 live eBay listings ask $3.99–$4,822.99 (median $1,819.99).

Frequently asked questions

What is the estimated value of Detective Comics #40 in ungraded condition?
Ungraded copies of Detective Comics #40 are currently valued around $2992.
How much does a Grade 6.0 copy of this issue sell for?
A Grade 6.0 copy of Detective Comics #40 is listed with a value of $36000.
Is Detective Comics #40 a worthwhile investment?
Given the wide price range from $2992 (ungraded) to $36000 (Grade 6.0), it shows strong resale potential.

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