500 home run club signed baseball with 10 signatures. Mickey Mantle signed the sweet spot of this Rawlings Official American League (Brown) baseball. It is also signed by Frank Robinson, Eddie Mathews, Harmon Killebrew, Hank Aaron, Willie Mays, Ernie Banks, Mike Schmidt, Willie McCovey, and Reggie Jackson. The baseball is in near-mint condition, and the signatures rate 9/10. Includes a full LOA from PSA.