Friedrich Karl Joseph from Erthal, silver medal (diameter approximate 55, 35 mm, approximate 87, 59 g), 1784, from A. F. Stieler, on the 300 years anniversary the university. Av: length portrait to the right, circumscribed. Rev: round temple with fire altar, in section beneath 4 lines characters. Collection P. A. 764, collection Walther 645, rubbed, contact marks and edge nick, extremly fine to uncirculated.