Detective Comics (1937) No. 140
Issue Details
Publisher: DC Comics
Cover Date: October 1948
Cover Price: $0.10
Penciller: Curt Douglas Swan
Cover Artist: James Winslow Mortimer
First Appearance: The Riddler (Edward Nigma)
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Detective Comics (1937) #140 Value — Quick Raw Price Guide
| Grade | Condition | Raw Value |
|---|---|---|
| 9.4 | Near Mint | $50,000.00 |
| 8.0 | Very Fine | $35,000.00 |
| 6.0 | Fine | $15,000.00 |
| 4.0 | Very Good | $7,500.00 |
| 2.0 | Good | $5,000.00 |
Graded CGC values, recent eBay sold comps, and full price history are available to members.
Detective Comics (1937) #140 Value FAQ
How much is Detective Comics (1937) #140 worth?
As of August 2026, a near-mint (9.4) raw copy is valued around $50,000.00; lower grades range from ~$5,000.00 (Good) to ~$35,000.00 (Very Fine).
Is Detective Comics (1937) #140 a key issue?
Yes — it is a key issue, featuring the first appearance of The Riddler (Edward Nigma).
Who created Detective Comics (1937) #140?
Detective Comics (1937) #140 was pencilled by Curt Douglas Swan, with a cover by James Winslow Mortimer.
When was Detective Comics (1937) #140 published?
DC Comics published it with a October 1948 cover date, originally priced at $0.10.
What is a high-grade copy of Detective Comics (1937) #140 worth?
A Near Mint (9.4) raw copy runs about $50,000.00. Graded (CGC) copies typically sell for more — available to members.