Exceptional Spalding brand Yankees promotional baseball signed by 25 members of the 1960 New York Yankees. Sadly the Mantle signature has been deemed a clubhouse signature. The ball itself is in exceptional condition the signatures bold and visible. Signatures include Yogi Berra (SS) Mickey Mantle (clubhouse - SS) Bob Turley Elston Howard Ralph Terry Clete Boyer Joe DiMaestri Luis Arroyo Bill Skowron Roger Maris Tony Kubek Art Ditmar Duke Maas Jim Coates Dale Long Bob Cerv Bobby Richardson Casey Stengel (HOF) Bill Stafford John Blanchard Dyne Duren Hectory Lopez Bobby Shantz Whitey Ford (HOF - signed "Ed Ford") and Eli Grba. Full LOA from James Spence Authentication.