Ken Griffey Jr. Autographed 1989 Premier Player Rookie Card #1 Seattle Mariners Auto Grade Gem Mint 10 Beckett BAS #17037588 Souvenir Helmets This is a 1975 TCMA

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Ken Griffey Jr. Autographed 1989 Premier Player Rookie Card #1 Seattle Mariners Auto Grade Gem Mint 10 Beckett BAS #17037588 Souvenir Helmets This is a 1975 TCMAThis is a 1989 Premier Player Rookie Card #1 that has been hand signed by Ken Griffey Jr. The condition of the signature was graded a Gem Mint 10 by Beckett BAS. It has been certified authentic by Beckett Authentication Services (BAS) and comes encapsulated in their tamper proof holder.