Detective Comics #121 (1947) — Comic Book Value

Detective Comics

What Detective Comics #121 (1947) is worth — ungraded and CGC graded (6.0, 8.0).

Detective Comics #121 (1947) value — Ungraded $222 · Grade 6.0 $440 · Grade 8.0 $690. Prices updated August 2026.

Series · Detective Comics
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Value by grade
$222
Ungraded
+98%
$440
Grade 6.0
3.1×
$690
Grade 8.0

Real sold prices per grade — the Grade 8.0 premium on this card is 3.1× 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
#121
Key issue
No
Release date
March 1, 1947

Detective Comics #121 (1947) comic value

An ungraded copy of Detective Comics #121 (1947) averages around $222. A CGC 6.0 runs about $440, and a CGC 8.0 commands $690.

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$222eBay sold comps
Grade 6.0$440eBay sold comps
Grade 8.0$690eBay sold comps

Frequently asked questions

What is the starting price for Detective Comics #121?
The ungraded version of Detective Comics #121 is currently valued at $222.
How much more is a Grade 8.0 worth compared to ungraded?
A Grade 8.0 copy sells for $690, which is $468 more than the ungraded price.
Are there different price points depending on the condition?
Yes, the price increases significantly with condition, ranging from $222 (Ungraded) to $690 (Grade 8.0).

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