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Challengers of the Unknown #21 (1961) Value & Price Guide

Challengers of the Unknown #21 cover

CHALLENGERS OF THE UNKNOWN #21

August 1961

—LISTINGS

1EDITIONS

—SOLD

writerHenry BoltinoffartistBob Brown, Henry BoltinofflettererHenry BoltinoffeditorJack Schiff, Murray Boltinoff, George Kashdan

Database/Challengers of the Unknown/21

EDITIONS & LISTINGS

1st Print

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CHARACTER APPEARANCES

June Robbins

Prof Haley

Ace Morgan

Red Ryan

Rocky Davis

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