Ken Griffey Jr. Autographed 1988 Cal League All Star Rookie Card #26 San Bernardino Spirit Auto Grade Gem Mint 10 Beckett BAS #13314040 Bears Each jersey comes with a

Each jersey comes with a certificate of authenticity from James Spence Authentication (JSA)

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Ken Griffey Jr. Autographed 1988 Cal League All Star Rookie Card #26 San Bernardino Spirit Auto Grade Gem Mint 10 Beckett BAS #13314040 Bears Each jersey comes with aThis is a 1988 Cal League All Star Rookie Card #26 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.