Mark McGwire Autograph Signing

Reggie Jackson Dennis Eckersley & Mark McGwire signing autographs

Mark Mcgwire - Autographed Signed Baseball co-signed by: Sammy Sosa

Mark McGwire Signed Team USA Olympic Jersey (JSA COA) – Super Sports Center

Mark Mcgwire - Autographed Signed Baseball co-signed by: Sammy Sosa

Mark McGwire Single Signed Baseball 9 (ONL Coleman, SR25) at 's Sports Collectibles Store

Mark McGwire Cards and Autographed Memorabilia Buying Guide

Mark McGwire Single Signed Baseball With 583 HRS ROY 87, Lot #44066

Mark McGwire Signed Autographed ROML Baseball Oakland A's Cardinals JSA

Mark McGwire & Sammy Sosa Signed 1998 World Series Baseball., Comes with full letter JSA COA. , #91019928372, D#61

Mark McGwire & Sammy Sosa Signed 1998 World Series Baseball JSA COA

Mark McGwire Cards and Autographed Memorabilia Buying Guide

Mark McGwire Autograph Signing

The McGwire signature rates a 9/10 while Canseco and Weiss rate 8/10. The ball itself is lightly toned and spotted throughout and the ball has a few

MARK MCGWIRE, JOSE CANSECO, WALT WEISS SIGNED AUTOGRAPHED OAL BASEBALL! A's!

Mark McGwire Eric Davis Signed 1987 Beckett Magazine Autograph PSA/DNA AJ55463

Mark McGwire & Sammy Sosa Signed 16x20 Photo (Beckett)

Mark McGwire Autograph Signing