Publisher: DC Comics
Cover Date: November 1955
Cover Price: $0.10
Writer: Jack Miller
Penciller: Joe Certa
Cover Artist: James Winslow Mortimer - 'Win Mortimer'
First Appearance: Martian Manhunter (J'onn J'onzz)
Detective Comics (1937) #225 Value FAQ
How much is Detective Comics (1937) #225 worth?
As of October 2026, a near-mint (9.4) raw copy is valued around $15,000.00; lower grades range from ~$1,500.00 (Good) to ~$10,500.00 (Very Fine).
Is Detective Comics (1937) #225 a key issue?
Yes — it is a key issue, featuring the first appearance of Martian Manhunter (J'onn J'onzz).
Who created Detective Comics (1937) #225?
Detective Comics (1937) #225 was written by Jack Miller, pencilled by Joe Certa, with a cover by James Winslow Mortimer - 'Win Mortimer'.
When was Detective Comics (1937) #225 published?
DC Comics published it with a November 1955 cover date, originally priced at $0.10.
What is a high-grade copy of Detective Comics (1937) #225 worth?
A Near Mint (9.4) raw copy runs about $15,000.00. Graded (CGC) copies typically sell for more — available to members.
Price guide
Estimated values by grade, full graded (slab) prices, historical trends, and recent eBay sales for this issue.
Detective Comics (1937) #225 Value — Quick Raw Price Guide
Up, up and away ...
To view full Price Guide Information for this issue and over 450,000 others ...
JOIN THE CLUB!Prices are estimates based on condition. Actual market values may vary.