Mark McGwire Oakland Athletics Signed Inscribed OMLB Baseball Steiner/MLB Holo
Mark McGwire Oakland Athletics Signed Inscribed OMLB Baseball Steiner/MLB Holo
Mark McGwire Oakland Athletics Signed Inscribed OMLB Baseball Steiner/MLB Holo
Mark McGwire Oakland Athletics Signed Inscribed OMLB Baseball Steiner/MLB Holo
Mark McGwire Oakland Athletics Signed Inscribed OMLB Baseball Steiner/MLB Holo
Mark McGwire Oakland Athletics Signed Inscribed OMLB Baseball Steiner/MLB Holo
Mark McGwire Oakland Athletics Signed Inscribed OMLB Baseball Steiner/MLB Holo
Mark McGwire Oakland Athletics Signed Inscribed OMLB Baseball Steiner/MLB Holo
Mark McGwire Oakland Athletics Signed Inscribed OMLB Baseball Steiner/MLB Holo
Mark McGwire Oakland Athletics Signed Inscribed OMLB Baseball Steiner/MLB Holo
Mark McGwire Oakland Athletics Signed Inscribed OMLB Baseball Steiner/MLB Holo
Mark McGwire Oakland Athletics Signed Inscribed OMLB Baseball Steiner/MLB Holo

Mark McGwire Oakland Athletics Signed Inscribed OMLB Baseball Steiner/MLB Holo

Order Today and Will Ship by October 26, 2026

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Product Details

Athlete / Talent: Mark McGwire

Sport / League: MLB

Team: Oakland Athletics

Item Type: Baseball

Autographed: Yes

Authentication: Steiner, MLB

Mark McGwire autographed Official Major League Baseball featuring the inscription ROY 87, commemorating his 1987 American League Rookie of the Year Award. Personally hand signed by the former Oakland Athletics slugger and 1989 World Series champion, this baseball celebrates one of the most prolific home run hitters of his generation.

The autograph has received Steiner Sports and MLB authentication holograms only.

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