1947-66 Exhibits Boxing Ray Robinson iCert 7.5 NM+ Middletweight Welterweight1947 66 Exhibits Boxing Ray Robinson iCert 7. 5 NM+ The 1947 66 Exhibit Boxing cards are a series of thick, blank backed, black and white collectibles issued annually by the Exhibit Supply Co. of Chicago Known as Sugar Ray Robinson, was an American professional boxer. From 1943 to 1951 Robinson went on a 91 fight unbeaten streak, the 6th longest in professional boxing history Robinson held the world welterweight title from 1946 1951, and won the world