GERMANY. Sachsen-Albertinische Linie. Johann, 1854-1873. Doppelter Vereinstaler 1866 B (Silver, 41 mm, 33.24 g, 12 h), on the 100th Anniversary of the Bergakademie Freiberg. By A. Stanger and G. J. Buschick. JOHANN V.G.G. KOENIG V. SACHSEN. - XAVER HERZOG Z. SACHSEN ADMINIST. Draped and conjoined busts of Xaver and Johann to left. Rev. ZUR EINHUNDERT JÄHRIGEN JUBELFEIER DER BERGACADEMIE Z. FREIBERG Female allegory of science seated facing between two engineering students with geological instruments, MDCCCLXVI below. AKS 158b. Jaeger 131. Merseburger 2515. Müseler 56.2.3.17. Rare. Mintage of only 704 pieces. Tiny marks and slightly smoothed, otherwise, good extremely fine.