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Cover of Showcase (1956) #21

Showcase (1956) #21

DC 1956–1978 series Cover date Jul 1959

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About this issue

Showcase #21 (1956) is issue #21 of DC's Showcase (1956–1978), with a cover date of July 1959. grailworth values it from 18 recorded sales, most recently on Oct 19, 2026, and from how comics like it move in value from grade to grade.

Key issues in Showcase (1956)