Bill Mazeroski Pittsburgh Pirates Autographed Inscribed OMLB Baseball WYWH Holo Fearsome Foursome Authenticated by James Spence Authentication

Authenticated by James Spence Authentication (JSA) and accompanied by a full LOA

This Dee Brown autographed 'Boston Celtics' 1991-1992 Upper Deck basketball trading card #143 has been certified by an expert from Beckett Authentication Services (BAS) as authentic and genuine

Autographed/Signed Ryan Leaf San Diego Dark Blue Football Jersey Beckett BAS COA

Autographed/Signed Chris Olave New Orleans Color Rush Jersey Beckett BAS COA

Bill Mazeroski Pittsburgh Pirates Autographed Inscribed OMLB Baseball WYWH Holo Fearsome Foursome Authenticated by James Spence AuthenticationAdd a legendary baseball collectible with this official MLB baseball autographed and inscribed HOF 01 by Bill Mazeroski of the Pittsburgh Pirates. Known for his walk off home run in the 1960 World Series, Mazeroskis legacy is cemented in baseball history. Authenticated with a WYWH hologram.