Appointed Mintmaster for the Cologne Circle in Bonn, a city in Germany, on 10 August 1776 to possibly 1780, nominated as Assay
Master on 3 December 1794, and was noted as living at Sternstrasse 42 in 1804. Lit.: Alfred Noss, Die Münzen der Erzbischöfe
von Köln 1547-1794 (1925) pp. 413, 414; Wolfgang Scheffler, Goldschmiede Rheinland-Westfalens - Aachen - Köln (1973) n. 32a
p. 94.