Ken Griffey Jr. Autographed 1989 Broders Rookie Card Seattle Mariners Auto Grade Gem Mint 10 Beckett BAS #17037648
Ken Griffey Jr. Autographed 1989 Broders Rookie Card Seattle Mariners Auto Grade Gem Mint 10 Beckett BAS #17037648 is backordered and will ship as soon as it is back in stock.
⭑⭑⭑⭑⭑ 4.8/5 Stars from Real Collectors
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100% Authenticity Guaranteed
100% 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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Own a piece of baseball history with this 1989 Broders Rookie Card, hand-signed by Ken Griffey Jr.—one of the most electrifying players to ever step on the field. This rare collectible is the perfect addition for baseball fans and serious memorabilia collectors.
- Authentic Signature – Hand signed by Ken Griffey Jr., one of baseball’s all-time greats.
- Gem Mint 10 Graded Autograph – The signature has been graded a perfect Gem Mint 10 by Beckett Authentication Services (BAS).
- Official Beckett Authentication – Fully certified by Beckett Authentication Services (BAS), ensuring authenticity and value.
- Encapsulated & Protected – Comes sealed in Beckett’s tamper-proof holder for long-term preservation.
- Rookie Card Investment – Griffey Jr.’s 1989 rookie season marked the beginning of his legendary career, making this a must-have collectible.
As one of the most revered sluggers in MLB history, Ken Griffey Jr. made an indelible mark on the game with his smooth swing and powerful plays. His 1989 rookie year marked the start of a Hall of Fame career, solidifying his rookie memorabilia as a top investment for collectors. Secure this authenticated, high-grade rookie card today before it's gone!