Five baseball cards, each signed by the Hall of Famer pictured: 1974 Baseball Immortals Mickey Mantle baseball card, signed in blue ballpoint; 1983 Donruss Hall of Fame Heroes Hank Greenberg baseball card, signed in black felt tip; 1972 Topps Carl Yastrzemski baseball card, signed in blue felt tip; 1960 Topps Don Drysdale baseball card, signed vertically in blue ballpoint; and a 1956 Topps Warren Giles baseball card, signed vertically in blue ballpoint. In overall very good to fine condition. RR Auction COA.