Ken Griffey Jr Signed Mariners 1989 Upper Deck #1 Rookie Card BAS Graded 10
Ken Griffey Jr Signed Mariners 1989 Upper Deck #1 Rookie Card BAS Graded 10 is backordered and will ship as soon as it is back in stock.
⭑⭑⭑⭑⭑ 4.8/5 Stars from Real Collectors
Free Shipping on U.S. Orders $99+
Free Shipping on U.S. Orders $99+
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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 Ken Griffey Jr. signed 1989 Upper Deck #1 Rookie Card from his time with the Seattle Mariners. This iconic rookie card is a must-have for serious collectors and fans of "The Kid." Hand-signed by Ken Griffey Jr., this card has been professionally slabbed and authenticated by Beckett, receiving a prestigious autograph grade of 10.
- Authentic Signature: Hand-signed by Ken Griffey Jr., one of the greatest players in MLB history.
- Graded Autograph: Beckett Authentication Services (BAS) has certified this signature with a perfect 10 grade.
- Iconic Rookie Card: Features Griffey in his Seattle Mariners rookie season, making it a cornerstone for any baseball memorabilia collection.
- Slabbed & Protected: Encased in a Beckett slab for long-term preservation and display.
- Great Investment Piece: Griffey remains a legendary figure in MLB, ensuring the lasting value of this collectible.
This Ken Griffey Jr. autographed rookie card is a must-have for Mariners fans, vintage card collectors, and baseball history enthusiasts. Add this rare gem to your collection today!
