Challengers of the Unknown #42 VF/NM (9.0)
Challengers of the Unknown cover and story, nice copy
Challengers of the Unknown #46 VF (8.0)
Challengers of the Unknown cover and story
Challengers of the Unknown #49 F/VF (7.0)
Challengers of the Unknown cover and story
Challengers of the Unknown #52 VF (8.0)
Challengers of the Unknown cover and story
Challengers of the Unknown #53 VF/NM (9.0)
Challengers of the Unknown cover and story
Challengers of the Unknown #57 VF- (7.5)
Challengers of the Unknown cover and story
Challengers of the Unknown #58 VF (8.0)
Challengers of the Unknown cover and story
Challengers of the Unknown #59 VF- (7.5)
Challengers of the Unknown cover and story
Challengers of the Unknown #60 VF- (7.5)
Challengers of the Unknown cover and story
Challengers of the Unknown #65 VF+ (8.5)
Challengers of the Unknown cover and story, origin issue
Challengers of the Unknown #66 VF+ (8.5)
Joe Kubert cover art, Challengers of the Unknown cover and story
Challengers of the Unknown #69 NM- (9.2)
Joe Kubert cover art, Challengers of the Unknown cover and story
Challengers of the Unknown #71 VF (8.0)
Challengers of the Unknown cover and story
Challengers of the Unknown #72 F+ (6.5)
Neal Adams cover, Challengers of the Unknown cover and story, bottom staple pulled through cover
Challengers of the Unknown #73 NM- (9.2)
Challengers of the Unknown cover and story
Challengers of the Unknown #75 VF+ (8.5)
Challengers of the Unknown cover and story, Jack Kirby art
Challengers of the Unknown #75 VF/NM (9.0)
Challengers of the Unknown cover and story, Jack Kirby art
Challengers of the Unknown #76 VF (8.0)
Challengers of the Unknown cover and story, Jack Kirby art, Kubert cover
Challengers of the Unknown #77 NM (9.4)
Challengers of the Unknown cover and story, Jack Kirby art