CHT247143 Maria Theresa Thaler, 1780 (silver) by Austrian School, (18th century); Private Collection; (add.info.: Empress Maria Teresa (1717-80) of Austria; silver coin first minted in Austria in 1741; all coins after 1780 carry that date; coinage used extensively throughout Africa and the Middle East until after the 2nd World War; one of earliest coins used in the United States;); 穢 Archives Charmet; Austrian, out of copyright.