Ken Griffey Jr. Autographed 1989 Upper Deck Rookie Card #1 Seattle Mariners BGS 8.5 Auto Grade Gem Mint 10 Beckett BAS #20520248
Ken Griffey Jr. Autographed 1989 Upper Deck Rookie Card #1 Seattle Mariners BGS 8.5 Auto Grade Gem Mint 10 Beckett BAS #20520248 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 autographed and signed memorabilia: Ken Griffey Jr. 1989 Upper Deck Rookie Card #1 (Seattle Mariners) — BGS 8.5 with Beckett BAS Gem Mint 10 autograph, cert #20520248. A 13-time All-Star and the 1997 AL MVP with 630 career home runs, “The Kid” defined a generation of baseball in Seattle and Cincinnati. He was inducted into the National Baseball Hall of Fame in 2016 with 99.3% of the vote.
Collector's Highlights:
- Athlete: Ken Griffey Jr.
- Item: 1989 Upper Deck Rookie Card #1, hand-signed; BGS Near Mint/Mint+ 8.5 card grade; Beckett BAS autograph grade Gem Mint 10; encapsulated in Beckett’s tamper-proof holder
- Authentication: Beckett Authentication Services (BAS) and Beckett Grading Services (BGS); BAS cert #20520248
Backed by Beckett BAS and BGS, this verified authentic Griffey rookie pairs an elite autograph grade with the hobby’s most recognizable modern RC, offering trusted long-term value for serious baseball memorabilia collections.
