Palatinate Sulzbach, Karl Theodor, silver medal (diameter approximate 53, 00 mm, approximate 58, 50 g), 1763, from A. Schäffer, on the foundation and opening of the Academy of Sciences in Mannheim. Av: length portrait to the right, circumscribed. Rev: apollo with lyre, beneath the river gods Neckar and Rhein, circumscribed. Stemper 510, aversum slightly rubbed, small edge nick, extremley fine