Official Spalding American League (MacPhail) baseball signed in ballpoint on the sweet spot and side panels by ten members of the 1974 New York Yankees, including: Thurman Munson, Sparky Lyle, Pat Dobson, Doc Medich, Mel Stottlemyre (ss), Bobby Murcer (ss), Elliott Maddox, Tippy Martinez, Chris Chambliss, and Otto Velez. The Yankee Captain's signature presents beautifully by itself below the maker's stamp on a side panel. In excellent overall condition. Accompanied by a full letter of authenticity from PSA/DNA.