Mark McGwire & Jose Canseco Autographed 1988 Classic Card Oakland A's Auto Grade Gem Mint 10 Vintage Signature Beckett BAS #20454689
Mark McGwire & Jose Canseco Autographed 1988 Classic Card Oakland A's Auto Grade Gem Mint 10 Vintage Signature Beckett BAS #20454689 is backordered and will ship as soon as it is back in stock.
Fast Shipping
Fast Shipping
After payment is received, items will generally ship from Pristine Marketplace or our approved vendors within 2 business days. Please allow an additional 5-7 business days for custom framed jerseys.
Orders will ship via FedEx, UPS, or USPS for both domestic and international shipments.
60-Day Risk-Free Returns
60-Day Risk-Free Returns
Shop with total confidence. If you're not completely satisfied, return your item within 60 days for a full refund—no questions asked. Your satisfaction is 100% guaranteed.
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.
Learn more
Fast & Secure Checkout
Description
Description
Collector Grade, Beckett-authenticated autographed memorabilia—dual-signed 1988 Classic Oakland A’s card by Mark McGwire and Jose Canseco, Auto Grade Gem Mint 10. As the “Bash Brothers,” they powered the Oakland Athletics to the 1989 World Series title. McGwire captured the 1987 AL Rookie of the Year and finished with 583 home runs, while Canseco won the 1988 AL MVP and became MLB’s first 40–40 player that same season.
Collector's Highlights:
- Athletes: Mark McGwire & Jose Canseco
- Item: 1988 Classic Oakland A’s trading card with vintage dual signature; Beckett BAS slabbed; autograph grade Gem Mint 10
- Authentication: Beckett Authentication Services (BAS) COA and tamper-proof encapsulation; Cert #20454689
Certified by Beckett BAS, this verified authentic piece carries a Gem Mint 10 autograph grade and comes secured in a BAS holder—protecting the signatures and supporting long-term value. A sharp, dual-signed snapshot of the Bash Brothers era for serious MLB collectors and Oakland A’s fans.
