The Ken Griffey Jr. Autographed Official 1990 All Star Game Logo Game Baseball Seattle Mariners is a highly sought-after collectible for baseball fans and memorabilia collectors. This baseball features Griffey Jr.'s autograph prominently displayed on the official 1990 All Star Game logo, making it a unique and valuable piece. Authenticated by Beckett BAS Witness, this baseball guarantees the authenticity of the signature, ensuring its value and legitimacy. The perfect addition to any Seattle Mariners or Ken Griffey Jr. collection, this autographed baseball is a rare find and a must-have for fans of the legendary Hall of Famer.