Group Lot: 50+ comics (includes duplicates)-Action Comics #598, 662, 683-710, 719, #0 ; Avg. grade: 9.4; est. value: $275

Action Comics #598, 662, 683-710, 719, #0 including-
#598-1st team appearance of Checkmate: Grace Guiness, Harvey Bullock, Harry Stein, Knight Two (Metropolis is misspelled on the cover).
#662-Clark Kent reveals secret identity to Lois Lane.
#683-4th cameo appearance of Doomsday, the mysterious fist succeeds in punching a hole through the steel door with a caption that reads '...Doomsday Is Here!'
#687-First solo story featuring Eradicator, referred to as The Last Son of Krypton. Introduction of the Kryptonian Regeneration Matrix, the technology that would resurrect Superman.
#689-Resurrection of Superman; debut of Superman's black suit, intended to aid in his regeneration.