Obtained in person at Spring Training in the 90s.
Vtg MARK McGWIRE signed Baseball 1987 ROY 1989 OAKLAND A'S World Series Champion
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Mark McGwire Oakland Athletics 1989 Team Issue 3/14 x 6 Photo
At Auction: Oakland Athletics Mark McGwire Signed Photograph
Dave Parker Oakland Athletics Autographed 1989 World Series Logo Baseball
Mark McGwire Signed Rawlings 1989 World Series (Oakland A's) Baseball - Schwartz Authentic
Dennis Eckersley Oakland Athletics Autographed 1989 World Series Logo Baseball with 89 WS Champs Inscription
1987 Oakland A's Team Signed Baseball Mark Mcgwire PSA DNA COA
Rickey Henderson Oakland Athletics Autographed 8 x 10 Sets All-Time Stolen Base Record Holding Up Photograph with SB King Inscription
Don Mattingly and Mark McGwire baseball card (Yankees Athletics) 1989 Classic #I1
1984 USA Olympic Baseball Team Autographed 4x9.5 First Day Cover With 21 Signatures Including Mark McGwire & Barry Larkin Stock #202980 - Mill Creek Sports
Mark McGwire Oakland Athletics Autographed 1989 World Series Logo Baseball