Plain and simple, these 12 cards of Hall of Fame plaques are all autographed by each of the baseball legends. The dandy dozen are: Ted Williams, Sam Rice, Joe Medwick, Casey Stengel, Joe McCarthy, George Kelly, Joe Cronin, Hank Aaron, Bill Dickey, Jesse Haines, Travis Jackson and Harry Hooper. Ink signatures range from 5/10 to 9/10.