Low $35
 | 
Mid $90
 | 
High $225
  • 3rd appearance of the Legion of Super-Heroes
  • 1st meeting of the Legion and Supergirl
  • 1st appearance of Chameleon Boy
  • 1st appearance of Invisible Kid
  • 1st appearance of Colossal Boy
Details
Publisher DC
Published August 1960
Written By Otto Binder
Illustrated By Wayne Boring