Detective Comics #423 (1972) — Comic Book Value

Detective Comics

What Detective Comics #423 (1972) is worth — ungraded and CGC graded (6.0, 8.0).

Detective Comics #423 (1972) value — Ungraded $12 · Grade 6.0 $63 · Grade 8.0 $72. Prices updated August 2026.

Series · Detective Comics
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Value by grade
$12
Ungraded
5.3×
$63
Grade 6.0
6.0×
$72
Grade 8.0

Real sold prices per grade — the Grade 8.0 premium on this card is 6.0× raw.

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Item details

Series
Detective Comics

Detective Comics #423 (1972) comic value

An ungraded copy of Detective Comics #423 (1972) averages around $12. A CGC 6.0 runs about $63, and a CGC 8.0 commands $72.

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$12eBay sold comps
Grade 6.0$63eBay sold comps
Grade 8.0$72eBay sold comps

Frequently asked questions

What is the starting price for Detective Comics #423?
The ungraded version of Detective Comics #423 is listed starting at $13.
How much is a Grade 8.0 copy worth?
A Grade 8.0 copy of Detective Comics #423 sells for $71.
Is the Grade 6.0 condition a good investment?
A Grade 6.0 copy is priced at $63, offering a solid entry point into this series.

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