20 kreuzer (zwanziger). Duchy of Salzburg. Ferdinando III (Ital. Ferdinando III d'Asburgo-Lorena; May 6, 1769, Florence - June 18, 1824, Florence) - Grand Duke of Tuscany in 1790-1801 and 1814-1824, respectively, Elector and Grand Duke of Salzburg in the years 1803-1806, Grand Duke of Wurzburg in 1806-1814 years. *M* - mintmaster Franz Xavier Matzenkopf Jr. work in 1755-1805. Ag583f. 6,68gr.