Action Comics #232 VF- (7.5)
The son of Superman cover and story, Congo Bill story
Action Comics #237 F+ (6.5)
Superman's exposed identity, Congo Bill story
Action Comics #237 F (6.0)
Superman's exposed identity, Congo Bill 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 #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 #283 VF (8.0)
Legion of Super-Villains and Mr Mxyztplk appear!
Action Comics #286 VF/NM (9.0)
Superman vs. Lex Luthor, Brainiac, and the Legion of Super-villains. Supergirl backup story
Action Comics #288 VF/NM (9.0)
Superman cover and story, Supergirl story, Mon-el appears
Action Comics #288 VF- (7.5)
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 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!