Description:Superb Roberto Clemente and Bill Mazeroski autographed baseball. Spalding W.Giles Official National League baseball has been signed "Roberto Clemente" across the side panel in ink rating 8 out of 10. Adjacent panel is signed "To Bobby, Best Wishes, Bill Mazeroski" (likewise, 8 out of 10). The ball displays a crisp even surface (just a hint off white) with bold and well defined stampings and just the slightest touch of light wear mentioned entirely for accuracy. Includes full LOA from JSA: NM