This is a 1951 New York Yankees Baseball that was personally autographed by: Cliff Mapes; Spec Shea; Tommy Byrne; Allie Reynolds; Phil Rizzuto; Billy Johnson; Ed Lopat; Joe Dimaggio (Traced); Hank Bauer; Charlie Silvera; Bob Porterfield; Gene Woodling; Jerry Coleman; Joe Ostrowski; Yogi Berra; Joe Collins; Johnny Hopp; Jackie Jensen. This item includes a letter of authenticity from James Spence Authentication (JSA) and Denver Autographs.