The Conventionstaler or Konventionstaler, was a standard silver coin in the Austrian Empire and the southern German states of the Holy Roman Empire from the mid-18th to early 19th-centuries. Its most
Konventionsthalers: Francis I, Emperor of Austria, 1822; Frederick Augustus I, King of Saxony, 1813, Dresden Mint
Four thalers and one double thaler, compared to a U.S. quarter (bottom center): Clockwise from top left: Saxe-Altenburg 1616 (reverse), Saxony 1592, Austria 1701 (obverse), Saxony 1592 (obverse), Center: double thaler, Austria 1635 (obverse).