Ken Griffey Jr. Autographed 1987 International Header Rookie Card Bellingham Mariners Auto Grade Gem Mint 10 Beckett BAS MILgoogle Card #578 - Joe Boever

Card #578 - Joe Boever

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Ken Griffey Jr. Autographed 1987 International Header Rookie Card Bellingham Mariners Auto Grade Gem Mint 10 Beckett BAS MILgoogle Card #578 - Joe BoeverThis is a 1987 International Header Rookie Card 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.