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Challengers of the Unknown #18 (1961) Value & Price Guide

Challengers of the Unknown #18 cover

CHALLENGERS OF THE UNKNOWN #18

March 1961

—LISTINGS

1EDITIONS

—SOLD

writerHenry Boltinoff, Irwin HasenartistBob Brown, Henry Boltinoff, Irwin HasenlettererHenry Boltinoff, Irwin HaseneditorMurray Boltinoff, George Kashdan, Jack Schiff

Database/Challengers of the Unknown/18

EDITIONS & LISTINGS

1st Print

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CHARACTER APPEARANCES

Ace Morgan

June Robbins

Prof Haley

Red Ryan

Rocky Davis

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