Ken Griffey Jr Signed Mariners 1989 Upper Deck #1 Rookie Card BAS Graded 10
Featured is a Ken Griffey Jr. signed Seattle Mariners 1989 Upper Deck #1 Rookie card. This card has been hand signed Seattle Mariners by Griffey and has been slabbed and authenticated by Beckett, receiving an autograph Grade 10. This card would make a great addition to any sports memorabilia collection!.
