Mark McGwire and Sammy Sosa Signed Autographed MLB Baseball. Authenticated by Beckett Authentication (BAS) with a matching certificate of authentication. Thank you and good luck. The item “Mark McGwire and Sammy Sosa Signed Autographed MLB Baseball Beckett Steiner” is in sale since Wednesday, January 1, 2020. This item is in the category “Sports Mem, Cards & Fan Shop\Autographs-Original\Baseball-MLB\Balls”. The seller is “arrowhead10-7″ and is located in Lenexa, Kansas. This item can be shipped worldwide.
- Product: Ball
- Player: Mark McGwire
- Sport: Baseball-MLB
- Autograph Authentication: Beckett
- Original/Reprint: Original