Country Austrian Netherlands (Belgium) Empress Maria Theresia (1740-1780) Type Standard circulation coin Years 1755-1780 Value 1 Kronenthaler (1) Currency Kronenthaler (1744-1798) Composition Silver (.873) Weight 29.44 g Diameter 41 mm Thickness 2 mm Shape Round Orientation Coin alignment ↑↓ Demonetized Yes References KM# 21