Ken Griffey Jr. signed game used baseball. Griffey signed the sweet spot of this Rawlings Official American League (Budig) baseball with a black ball point pen. A signed letter from former MLB umpire Drew Coble is included with the ball. The letter reads, "This ball was used during the one of the many times I umpired a game that Ken Griffey Jr. played in during my career. After the game I had him sign it." Also included with the ball is a LOA from JSA, and a LOA from Sports Investors Authentication.