[Image Description: a comic book cover headed by "She's all Girl...She's All Super..She's SUPERGIRL! See Supergirl do her thing in this GIGANTIC Action-Packed Issue!!" The cover is of Action Comics, priced at 25C (!!!) with Supergirl bursting out of the middle of the comic, surrounded by images from various other stories, featuring the Legion of Super-Heroes, super-pets, Superman, the Superman Emergency Squad, and Mr. MXYZPTLK.]
Scanned from Wonder Woman 181, March 1969.