Ken Griffey Jr. Autographed 1989 Upper Deck Rookie Card #1 Seattle Mariners Beckett BAS #19211301
Ken Griffey Jr. Autographed 1989 Upper Deck Rookie Card #1 Seattle Mariners Beckett BAS #19211301 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, BAS-authenticated autographed rookie card — this signed 1989 Upper Deck #1 Ken Griffey Jr. Seattle Mariners memorabilia is encapsulated by Beckett (BAS #19211301). Ken Griffey Jr., a 2016 Hall of Fame inductee, hammered 630 career home runs, earned 13 All-Star selections, and won the 1997 AL MVP. He owned center field with 10 Gold Gloves, and his 1989 Upper Deck #1 is a flagship rookie that helped define the modern hobby.
Collector's Highlights:
- Athlete: Ken Griffey Jr.
- Item: 1989 Upper Deck Rookie Card #1, Seattle Mariners — Autographed and Beckett-encapsulated
- Authentication: Beckett Authentication Services (BAS), Cert #19211301
Backed by Beckett’s COA and tamper-proof slab, this piece offers verified authenticity that supports long-term value and buyer confidence. A trusted Griffey rookie autograph with the background and third-party approval serious collectors expect.
