OAL Brown baseball signed by four Triple Crown winners, all in blue ink. The sweet spot has been signed by Ted Williams rating an 8-9 and Mickey Mantle rating an 8. Carl Yastrzemski has signed the south panel rating a 7-8. Frank Robinson has signed the north panel rating an 8. Adjacent is the JSA authentication sticker numbered B69712. The ball is clean with the lightest of toning. It is accompanied by a full JSA LOA.