Description:Hall of Famer autographed baseball. B.Giamatti NL ball signed by (11) players including Robin Roberts, Lou Brock, Frank Robinson, Ernie Banks, Duke Snider, Roy Campanella (secretarial signed), Don Drysdale, Catfish Hunter, Bob Gibson, Warren Spahn, and Hoyt Wilhelm. Signatures range from 8 to 10 out of 10. Includes LOA from JSA and letter of provenance from the Roberts family: EX/MT-NM