Official American League (Harridge) baseball signed in blue ink by the following twenty-five members of the 1955 American League Champion New York Yankees: Mantle, Berra, Ford, Rizzuto, Konstanty, Howard, Collins, Wiesler, Noren, Skowron, Leja, Hunter, Robinson, Lopat, Sturdivant, Crosetti (coach), Turner (coach), Morgan, McDougald, Silvera, Cerv, Bauer, Kucks, Byrne, and Carroll. (The additional signature of manager Casey Stengel on the sweet spot has been deemed a clubhouse example by PSA.) The signatures are boldly scripted and grade 8/10 on average. The ball has been coated with a light layer of protective shellac and is in Excellent to Mint condition. Full LOA from PSA.