Seattle Mariners Ken Griffey Jr. Autographed Black Nike Jersey "13X AS, 10X GG, A.C.T." Beckett BAS QR #1W448996 Cards-Signed Authenticity: All signed jerseys come

Authenticity: All signed jerseys come with a certificate of authenticity from highly reputable sources

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Seattle Mariners Ken Griffey Jr. Autographed Black Nike Jersey "13X AS, 10X GG, A.C.T." Beckett BAS QR #1W448996 Cards-Signed Authenticity: All signed jerseys comeThis is a Black Nike Seattle Mariners Jersey that has been hand signed by Ken Griffey Jr. This item was inscribed "13X AS, 10X GG, A. C. T." There is an imperfection in the signature as shown. This item has been certified authentic by Beckett Authentication (BAS) and comes with their tamper proof QR Code sticker that can be verified on the Beckett authentication. com.