Description:1957 New York Yankees team signed baseball (AL Champions). Spalding W.Giles Official National League baseball has been signed by (25) including Stengel, Ford, Slaughter, Coleman, Howard, Skowron, Larsen, and others (no Mantle). Ink signatures rate 8 to 9/10 out of 10. Ball displays a hint of light even toning and has period coat of shellac applied. Small year identifier written in ink on sweet spot. Includes full LOA from JSA and letter of provenance: Ball EX/MT, Sigs. NM-MT