
Ken Griffey Jr. Autographed 1989 Upper Deck Rookie Card #27 Seattle Mariners Auto Grade Gem Mint 10 Beckett BAS #19658909
Ken Griffey Jr. Autographed 1989 Upper Deck Rookie Card #27 Seattle Mariners Auto Grade Gem Mint 10 Beckett BAS #19658909
Collector-grade, BAS-authenticated autographed and signed memorabilia: Ken Griffey Jr.’s 1989 Upper Deck Rookie Card #27 (Seattle Mariners) featuring a Beckett GEM MINT 10 autograph. Griffey is a 2016 Baseball Hall of Fame inductee, the 1997 AL MVP, a 13-time All-Star, 10-time Gold Glove center fielder, and finished with 630 career home runs—defining an era in Seattle and across MLB.
Collector's Highlights:
- Athlete: Ken Griffey Jr.
- Item: 1989 Upper Deck Rookie Card #27, hand-signed; Beckett BAS Auto Grade Gem Mint 10; BAS Cert #19658909; encapsulated in Beckett’s tamper-proof holder (autograph grade only; card itself is not graded)
- Authentication: Beckett Authentication Services (BAS)
Authenticated by Beckett BAS, this verified autograph on the hobby’s most iconic modern rookie card delivers long-term collecting confidence. A premium signature grade, trusted encapsulation, and the legacy of a Mariners legend combine to make this a blue-chip piece of baseball memorabilia.
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Ken Griffey Jr. Autographed 1989 Upper Deck Rookie Card #27 Seattle Mariners Auto Grade Gem Mint 10 Beckett BAS #19658909
Collector-grade, BAS-authenticated autographed and signed memorabilia: Ken Griffey Jr.’s 1989 Upper Deck Rookie Card #27 (Seattle Mariners) featuring a Beckett GEM MINT 10 autograph. Griffey is a 2016 Baseball Hall of Fame inductee, the 1997 AL MVP, a 13-time All-Star, 10-time Gold Glove center fielder, and finished with 630 career home runs—defining an era in Seattle and across MLB.
Collector's Highlights:
- Athlete: Ken Griffey Jr.
- Item: 1989 Upper Deck Rookie Card #27, hand-signed; Beckett BAS Auto Grade Gem Mint 10; BAS Cert #19658909; encapsulated in Beckett’s tamper-proof holder (autograph grade only; card itself is not graded)
- Authentication: Beckett Authentication Services (BAS)
Authenticated by Beckett BAS, this verified autograph on the hobby’s most iconic modern rookie card delivers long-term collecting confidence. A premium signature grade, trusted encapsulation, and the legacy of a Mariners legend combine to make this a blue-chip piece of baseball memorabilia.
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Description
Collector-grade, BAS-authenticated autographed and signed memorabilia: Ken Griffey Jr.’s 1989 Upper Deck Rookie Card #27 (Seattle Mariners) featuring a Beckett GEM MINT 10 autograph. Griffey is a 2016 Baseball Hall of Fame inductee, the 1997 AL MVP, a 13-time All-Star, 10-time Gold Glove center fielder, and finished with 630 career home runs—defining an era in Seattle and across MLB.
Collector's Highlights:
- Athlete: Ken Griffey Jr.
- Item: 1989 Upper Deck Rookie Card #27, hand-signed; Beckett BAS Auto Grade Gem Mint 10; BAS Cert #19658909; encapsulated in Beckett’s tamper-proof holder (autograph grade only; card itself is not graded)
- Authentication: Beckett Authentication Services (BAS)
Authenticated by Beckett BAS, this verified autograph on the hobby’s most iconic modern rookie card delivers long-term collecting confidence. A premium signature grade, trusted encapsulation, and the legacy of a Mariners legend combine to make this a blue-chip piece of baseball memorabilia.
























