Ken Griffey Jr. Autographed 1988 San Bernardino Spirit California Cal League Rookie Card #34 Seattle Mariners BGS 8.5 Auto Grade Gem Mint 10 Beckett BAS Stock #209240 MP-Basketball The box could include jerseys

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Ken Griffey Jr. Autographed 1988 San Bernardino Spirit California Cal League Rookie Card #34 Seattle Mariners BGS 8.5 Auto Grade Gem Mint 10 Beckett BAS Stock #209240 MP-Basketball The box could include jerseysThis is a 1988 San Bernardino Spirit California Cal League Rookie Card #34 that has been hand signed by Ken Griffey Jr. The condition of this card was graded a Near Mint Mint+ 8. 5 by BGS. 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.