1972, U.S.A. JOSEPH HENRY, 1797-1878, Physicist. By Adlai S. Hardin. AE 76mm. Obv: Facing bust of Joseph Henry. Rev: Figures looking up a lightning bolt encircling the globe. From the series of medals for the Hall of Fame for Great Americans on University Heights Campus of New York University. With a descriptive leaflet (no box). Extremely fine. $50. Sorry, SOLD