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Challengers of the Unknown
Challengers of the Unknown #20

DC Released June 1961

Challengers of the Unknown #20

Low

$5

Mid

$15

High

$50

Published June 1961

No synopsis available.

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CGC 9.8

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CGC 9.6

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CGC 9.4

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Creators

Cover Artist

Bob Brown

Characters

No characters listed.

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Cover art for Challengers of the Unknown #20

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