Ken Griffey Jr. Autographed 1989 Donruss Rookie Card #33 Seattle Mariners Vintage Rookie Era Beckett BAS #12486620 MP-Olympics This autographed piece of memorabilia

This autographed piece of memorabilia comes with an official Witnessed Protection Program Certificate of Authenticity from James Spence Authentic LLC that guarantees the authenticity of the autograph

Terry Jackson and George Martin

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Ken Griffey Jr. Autographed 1989 Donruss Rookie Card #33 Seattle Mariners Vintage Rookie Era Beckett BAS #12486620 MP-Olympics This autographed piece of memorabiliaThis is a 1989 Donruss Rookie Card #33 that has been hand signed by Ken Griffey Jr. This is a vintage rookie era signature. It has been certified authentic by Beckett Authentication (BAS) and comes encapsulated in their tamper proof holder.