Mariners Ken Griffey Jr. Authentic Signed 8x10 Photo Auto Graded 9! BAS Slabbed
Mariners Ken Griffey Jr. Authentic Signed 8x10 Photo Auto Graded 9! BAS Slabbed 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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Collector Grade autographed and signed Mariners memorabilia: Ken Griffey Jr. 8x10 photo, BAS slabbed with Auto Grade 9 (Mint). A 2016 first-ballot Hall of Famer, Griffey crushed 630 home runs and won the 1997 AL MVP. A 13-time All-Star with 10 Gold Gloves, his sweet lefty swing defined an era in Seattle. His 99.32% Hall of Fame vote share set a record at the time.
Collector's Highlights:
- Athlete: Ken Griffey Jr.
- Item: Authentic signed 8x10 photo (Seattle Mariners) — Auto Grade 9 (Mint)
- Authentication: Beckett Authentication Services (BAS) — slabbed/encapsulated with serial number lookup on Beckett’s website
Backed by BAS encapsulation and an Auto Grade 9, this verified authentic piece offers collector-grade assurance and display-ready appeal tied to one of baseball’s true legends. Beckett’s certification helps protect the item’s long-term value and gives buyers confidence in the autograph’s originality.
