This ball was signed in 1967 by Nestor Chylak, an American League umpire from 1954 to 1978 who was posthumously inducted into the Baseball Hall of Fame in 1999. The ball was personalized by Chylak with the inscription, "From Nestor Chylak, American League Umpire, to Robert", and was also signed by Johnny Callison, a four-time All-Star in the big leagues. The OAL Cronin ball rates 6.0, while the sigs rate 7.0. Comes with SGC LOA.