Ken Griffey Jr. Autographed 1989 Upper Deck Rookie Card #1 Seattle Mariners PSA 9 Auto Grade Mint 9 PSA/DNA #75668931
Ken Griffey Jr. Autographed 1989 Upper Deck Rookie Card #1 Seattle Mariners PSA 9 Auto Grade Mint 9 PSA/DNA #75668931 is backordered and will ship as soon as it is back in stock.
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Authenticity Guaranteed
All signatures sold on Pristine Marketplace are 100% guaranteed authentic, offering buyers complete confidence in every purchase.
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Description
Description
Collector-Grade, PSA/DNA authenticated autographed memorabilia—signed 1989 Upper Deck Ken Griffey Jr. Rookie Card #1 graded PSA 9 with an Auto Grade 9. A 2016 Baseball Hall of Fame inductee, Griffey finished with 630 home runs, 13 All-Star selections, and 10 Gold Gloves. He won the 1997 AL MVP and remains the defining star of the Seattle Mariners in the modern era.
Collector's Highlights:
- Athlete: Ken Griffey Jr.
- Item: 1989 Upper Deck Rookie Card #1 (Seattle Mariners) — hand-signed; Card Grade PSA 9 Mint; Auto Grade PSA/DNA 9; encapsulated; Cert #75668931
- Authentication: PSA/DNA (PSA) — verified authentic signature and card, sealed in a tamper-proof holder
This verified authentic Griffey rookie signature is backed by PSA/DNA certification and a matching serial number, providing trusted third‑party validation that supports long‑term collectability. For serious card collectors and Mariners fans, it’s a cornerstone rookie from an all-time great with the grades to match.
