Roberts died in 1966 and is a very tough signature to obtain. He broke the color barrier for the Pittsburgh Pirates.
The ball is from the 1955-56 Cuban League team the Cienfuegos Elephants. The ball also has signatures of Bob Boyd, Pedro Ramos, Napoleon Heredia, Silvio Garcia, Curt Roberts, Marino Pieretti, Gene Bearden, Pidge Browne (tough 1962 Colt 45), Ray Noble, Archie Wilson, Adrian Zabala, Oscar Rodriguez. The ball comes with a full LOA from JSA. Asking $415.
Tom C