Mark McGwire & Jose Canseco Autographed Official AL Baseball Oakland A's Beckett BAS #AG020286
Mark McGwire & Jose Canseco Autographed Official AL Baseball Oakland A's Beckett BAS #AG020286 is backordered and will ship as soon as it is back in stock.
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Authenticity Guaranteed
Authenticity Guaranteed
All signatures sold on Pristine Marketplace are 100% guaranteed authentic, offering buyers complete confidence in every purchase.
Each autographed item undergoes rigorous verification through trusted authentication providers—including Beckett Authentication Services (BAS), James Spence Authentication (JSA), Fanatics Authentic, or Pristine Auction’s own in-house standard, Pristine Authentic.
This unwavering commitment to authenticity protects collectors and fans alike, making every signed piece not just a display item, but a trusted investment.
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Description
Description
Collector Grade, Beckett-authenticated autographed memorabilia: dual-signed Official American League baseball by Mark McGwire & Jose Canseco (Oakland A’s) — BAS #AG020286. The “Bash Brothers” powered the A’s to the 1989 World Series title. McGwire won the 1987 AL Rookie of the Year and made 12 All-Star teams, while Canseco captured the 1988 AL MVP and became MLB’s first 40–40 player.
Collector's Highlights:
- Athletes: Mark McGwire & Jose Canseco
- Item: Official American League Baseball (Oakland A’s), dual-signed
- Authentication: Beckett Authentication Services (BAS) tamper-proof hologram and matching full-page COA, Cert #AG020286
Authenticated by Beckett, this verified piece gives collectors confidence in the signatures and long-term value. A clean Official AL ball signed by both Bash Brothers is a strong, display-ready pickup for any serious Oakland A’s or MLB autograph collection.
