Publisher: DC Comics
Cover Date: November 1959
Cover Price: $0.10
Writer: John Broome
Penciller: Gil Kane
Cover Artist: Joe Giella
First Appearance: The Invisible Destroyer
Showcase (1956) #23 Value FAQ
How much is Showcase (1956) #23 worth?
As of October 2026, a near-mint (9.4) raw copy is valued around $5,600.00; lower grades range from ~$560.00 (Good) to ~$3,920.00 (Very Fine).
Is Showcase (1956) #23 a key issue?
Yes — it is a key issue, featuring the first appearance of The Invisible Destroyer.
Who created Showcase (1956) #23?
Showcase (1956) #23 was written by John Broome, pencilled by Gil Kane, with a cover by Joe Giella.
When was Showcase (1956) #23 published?
DC Comics published it with a November 1959 cover date, originally priced at $0.10.
What is a high-grade copy of Showcase (1956) #23 worth?
A Near Mint (9.4) raw copy runs about $5,600.00. 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.
Showcase (1956) #23 Value — Quick Raw Price Guide
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