Action Comics #237 F+ (6.5)
Superman's exposed identity, Congo Bill story
Action Comics #242 CGC 5.0
1st appearance of Brainiac and the bottled city of Kandor! Superman vs. Brainiac cover and story, Very attractive copy for the grade with exceptional color and eye appeal!
Action Comics #256 F/VF (7.0)
Superman of the Future & Lois Lane cover and story, Supergirl back up story!
Action Comics #270 F+ (6.5)
Superman, Lois Lane, Krypto and Supergirl cover and story story
Action Comics #273 VF (8.0)
Superman cover and story, Mr. Mxyztplk story, Supergirl back up story
Action Comics #274 VF (8.0)
Lois Lane as Superwoman! Supergirl back up story
Action Comics #276 VG (4.0)
1st appearance of several Legionaires, Brainiac 5, Sun Boy, Phantom Girl, Triplicate Girl, Shrinking Violet, Supergirl joins the Legion
Action Comics #280 VF- (7.5)
Supergirl origin story! early Brainiac appearance! Slight edge creaming
Action Comics #288 VF/NM (9.0)
Superman cover and story, Supergirl story, Mon-el appears
Action Comics #292 VF+ (8.5)
Superman vs Luthor cover and story! Supergirl story
Action Comics #294 NM- (9.2)
Superman vs Luthor cover and story! Supergirl story
Action Comics #294 VF/NM (9.0)
Superman vs Luthor cover and story, Supergirl story
Action Comics #298 VF (8.0)
Superman vs Super Luthor! Supergirl story! General Zod and Legion of Super-Heroes appear
Action Comics #299 VF+ (8.5)
Superbaby and Supergirl cover and story! Superman's amazing robots!
Action Comics #299 VF/NM (9.0)
Superbaby and Supergirl cover and story! Superman's amazing robots!