Description:Lot of (4) Bill Mazeroski single signed baseballs along with Warren Spahn single signed baseball. Mazeroski autographs are signed on a selection of vintage ball types including Feeney NL, Wilson Amer. Association (Desirable playing career signed example), and Mizuno. Balls shows varying degrees of use/wear. Spahn is signed on a W.White NL ball with some game use. Includes auction LOA from JSA: Ball: Range VG-NM, Sigs: Range EX-NM