Ken Griffey Jr. Autographed 1989 Upper Deck Rookie Card #1 Seattle Mariners Beckett BAS #19211199
Ken Griffey Jr. Autographed 1989 Upper Deck Rookie Card #1 Seattle Mariners Beckett BAS #19211199 is backordered and will ship as soon as it is back in stock.
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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.
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Collector Grade autographed memorabilia—Beckett BAS-authenticated, signed 1989 Upper Deck Ken Griffey Jr. Rookie Card #1 (Seattle Mariners) Ken Griffey Jr. is a first-ballot Hall of Famer (Class of 2016) with 630 home runs, a 1997 AL MVP award, and 13 All-Star selections. He captured 10 Gold Gloves and became the face of the Seattle Mariners, defining an era for baseball fans.
Collector's Highlights:
- Athlete: Ken Griffey Jr.
- Item: 1989 Upper Deck Rookie Card #1, hand signed; Beckett BAS tamper-proof encapsulated holder
- Authentication: Beckett Authentication Services (BAS) — Cert #19211199
Authenticated by Beckett and sealed in their holder, this verified authentic Griffey rookie autograph gives collectors confidence and supports long-term value. A centerpiece rookie from one of baseball’s all-time greats, ready for any serious memorabilia collection.
