Detective Comics #20 (1947)
Collectible issue of Detective Comics #20 published in 1947 by DC Comics.
Estimated Market Value
Live Market Benchmark$450
Value Range: $90 (Low Raw) – $2.0K (CGC High-Grade)
Guide data reviewed July 2026. Estimates are informational and vary by edition, condition, and completed-sale timing. Read the valuation disclaimer.
🏛️ CGC Census & Population Rarity
Total Graded copies
420
CGC 9.8 Population
35
Price by Condition (CGC Grade Matrix)
| Condition | Estimated Value |
|---|---|
| Poor (P 1.0) | $68 |
| Good (G 2.0) | $135 |
| Fine (F 6.0) | $270 |
| Very Fine (VF 8.0) | $405 |
| Near Mint (NM 9.4) | $810 |
| Mint (M 9.9) | $2.0K |
* Values are weighted market estimates based on recent auction sales and CGC slab history.
Variant & Edition Multipliers
Direct Edition
Standard comic shop edition.
Recent Verified Sales Log
| Date | Grade | Marketplace | Price |
|---|---|---|---|
| 2026-05-18 | CGC 9.4 | eBay | $810 |
Key Issue Specifications
- Series
- Detective Comics
- Issue
- #20
- Year
- 1947
- Publisher
- DC Comics
- Writer
- Editorial Team
- Cover Artist
- Bob Kane
Characters Featured
Related Key Comics
Detective Comics #27
DC Comics · 1939
First appearance of Batman (Bruce Wayne) & Commissioner Gordon.
Est. Value
$1.8M
Detective Comics #10
DC Comics · 1942
Key storyline milestone issue #10
Est. Value
$450
Detective Comics #11
DC Comics · 1942
Est. Value
$79
Detective Comics #12
DC Comics · 1943
Est. Value
$83
Detective Comics #20 FAQ
How much is Detective Comics #20 worth?
Detective Comics #20 (1947) has an estimated average market value of $450, ranging from $90 in low raw condition to $2.0K or higher in top CGC graded condition.
What is a high-grade CGC copy of Detective Comics #20 worth?
In Near Mint (9.4+) condition, Detective Comics #20 is valued at approximately $810, with Mint (9.9/10.0) copies reaching up to $2.0K.
Why is Detective Comics #20 a key comic book?
Detective Comics #20 is a key issue because: Key storyline milestone issue #20. Collectible issue of Detective Comics #20 published in 1947 by DC Comics.