Jorge Posada Signed New York Yankees OML Baseball 4x WS Champ BAS 39582 The number in the listing title is just an inventory sku for our records and is not the authentication number. The item pictured is a stock photo unless otherwise noted. This is a official Major League baseball that was personally autographed by Jorge Posada with 4x WS Champ inscription. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.