Ken Griffey Jr. Autographed Black Cooperstown Baseball Bat Signature Series Baseball Bat Seattle Mariners Beckett BAS Witness FS Upon unboxing

Upon unboxing

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Ken Griffey Jr. Autographed Black Cooperstown Baseball Bat Signature Series Baseball Bat Seattle Mariners Beckett BAS Witness FS Upon unboxingThis is a Black Cooperstown Baseball Bat Signature Series Baseball Bat that has been hand signed by Ken Griffey Jr. This item has been witnessed and certified authentic by Beckett Authentication (BAS) and comes with their tamper proof witness sticker.