DC GO GO CHECK LOT (9 in Lot) - (1966/1967 - DC) - DC Silver Age books published between Feb 1966 & August 1967 had the racing checks ("Go Go Checks") across the top of the cover - Includes ACTION COMICS #342 + BLACKHAWK #221 + JUSTICE LEAGUE OF AMERICA #45, 47, 48, 49, 50, 51, 52 - Includes the first appearance of the Shaggy Man + the first appearance of Zatara in the Silver Age