Ken Griffey Jr. Autographed Official MLB Baseball Seattle Mariners "MLB Debut 4-3-89" Beckett BAS Witness Stock #212459 01-09-JPR Card #310 - Terry Mathews

Card #310 - Terry Mathews

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Domantas Sabonis

Ken Griffey Jr. Autographed Official MLB Baseball Seattle Mariners "MLB Debut 4-3-89" Beckett BAS Witness Stock #212459 01-09-JPR Card #310 - Terry MathewsThis is an Official MLB Baseball that has been hand signed by Ken Griffey Jr. This item was inscribed "MLB Debut 4 3 89." This item has been witnessed and certified authentic by Beckett Authentication (BAS) and comes with their tamper proof witness sticker. Beckett Authentication has recently changed their physical certificate card policy where they no longer match their tamper proof sticker with a physical certificate. A certificate can be printed on