Detective Comics #40 Value - GoCollect
June 10, 1940

Detective Comics #40

Key Issue
First appearance of Clayface; First appearance of Basil Karlo; Origin of Clayface; First Joker cover appearance

Bob Kane

Maurice Kashuba

Ken Ernst

Jack Lehti

Fred Guardineer

Don Lynch

Chad Grothkopf

Howard Sherman


Jerry Robinson

Script Writer

Bill Finger

Jerry Siegel

Jack Lehti

Gardner F. Fox

Chad Grothkopf


Whitney Ellsworth

DC Comics
Publication Date
Jun 10, 1940
Cover Price
Page Count
68 pages

What's it Worth?

Graded Population

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