Ken Griffey Jr. Autographed 1989 Broder Cactus League All Stars Rookie Card #18 Seattle Mariners Auto Grade Gem Mint 10 Beckett BAS 04-30-RSA It has been certified authentic

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Ken Griffey Jr. Autographed 1989 Broder Cactus League All Stars Rookie Card #18 Seattle Mariners Auto Grade Gem Mint 10 Beckett BAS 04-30-RSA It has been certified authenticThis is a 1989 Broder Cactus League All Stars Rookie Card #18 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.