Detective Comics #138 (1948) — Comic Book Value

Detective Comics

What Detective Comics #138 (1948) is worth — ungraded and CGC graded (6.0, 8.0).

Detective Comics #138 (1948) value — Ungraded $201 · Grade 6.0 $486. Prices updated August 2026.

Series · Detective Comics
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Value by grade
$201
Ungraded
2.4×
$486
Grade 6.0

Real sold prices per grade — the Grade 6.0 premium on this card is 2.4× raw.

Complete-in-box price history

Monthly CIB value, based on sold comps.

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Item details

Series
Detective Comics
Publisher
DC
Issue
#138
Key issue
No
Release date
August 1, 1948

Detective Comics #138 (1948) comic value

An ungraded copy of Detective Comics #138 (1948) averages around $201. A CGC 6.0 runs about $486, 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$201eBay sold comps
Grade 6.0$486eBay sold comps

Frequently asked questions

What is the starting price for Detective Comics #138?
The ungraded version of Detective Comics #138 is available for $199.
How much is a Grade 6.0 copy of this comic?
A copy of Detective Comics #138 graded at 6.0 sells for $486.
Is this comic considered a valuable piece of the Detective Comics series?
Yes, the pricing structure shows significant value, ranging from $199 ungraded to $486 graded.

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