Detective Comics #20 (1938) — Comic Book Value

Detective Comics

What Detective Comics #20 (1938) is worth — ungraded and CGC graded (6.0, 8.0).

Detective Comics #20 (1938) value — Ungraded $847 · Grade 6.0 $2,510 · Grade 8.0 $6,613. Prices updated August 2026.

Series · Detective Comics
Live on eBay now
Steady
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Selling on eBay right now · by condition
New
$8.99
5 listings asking
Used
$10
7 listings asking
Median of current eBay asking prices — live, not sold data.
Value by grade
$847
Ungraded
3.0×
$2,510
Grade 6.0
7.8×
$6,613
Grade 8.0

Real sold prices per grade — the Grade 8.0 premium on this card is 7.8× raw.

Complete-in-box price history

Monthly CIB value, based on sold comps.

See the actual sold listings on eBay ↗

Live on eBay right now

Which version do you have?

To simply own the comic, the Newsstand version at $2 is the cheapest entry point. The Standard ($847) and Combo-Pack ($5) versions offer higher condition or packaging value, while the Blank ($5) is likely for restoration or variant purposes. Collectors prioritizing investment should pay for the Standard, whereas casual buyers should stick to the Newsstand.

JunkPal AI· resale insightanalyzing sold comps…

Price data verified against · 1

Item details

Series
Detective Comics
Publisher
DC
Issue
#20
Key issue
Yes
Release date
October 1, 1938

Detective Comics #20 (1938) comic value

An ungraded copy of Detective Comics #20 (1938) averages around $847. A CGC 6.0 runs about $2510, and a CGC 8.0 commands $6613.

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

Shop this on eBay ↗
ConditionValueBased on
Ungraded$847eBay sold comps
Grade 6.0$2,510eBay sold comps
Grade 8.0$6,613eBay sold comps
Live asking — low / typical / high$4.99 / $15 / $4,50020 live eBay listings

Market check: As of July 18, 2026, 20 live eBay listings ask $4.99–$4,500.00 (median $15.00).

Frequently asked questions

What is the starting price for Detective Comics #20?
The ungraded version of Detective Comics #20 is currently valued at $847.
How much is a high-grade copy of this comic worth?
A Grade 8.0 copy of Detective Comics #20 is valued at $6613.
Is the condition of Detective Comics #20 the biggest factor in its price?
Yes, the price jumps significantly from the ungraded $847 to the Grade 6.0 price of $2510.

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