One of the five black players signed by Brooklyn Dodgers owner Branch Rickey before the 1946 season, he was the first catcher to break organized baseball's color line. Vintage ink signature, “Best wishes, Sincerely, Roy Campanella,” on an off-white 5.5 x 3.25 government postcard. In fine condition. COA Steve Grad/PSA/DNA and R&R COA.