United States of America, Medicine, 1974, a heavy silver medal by M. Hibbit for the Medical Heritage Society, silhouetted head with legend superimposed on it, the great experiment that man began, etc, rev. diagrammatic man, heart and blood vessels visible, superimposed on a silhouetted head, 75mm, 11.45 troy oz, edge stamped 63. Matt, as struck; in case of issue, with certificate (£40-60)