Austria 1 Thaler 1780 SF. Vienna. Maria Theresia(1740-1780). Av: R.IMP.HU. BO.REG. M.THERESIA.D.G. Rev: BURG.CO.TYR.1780.X. ARCHID.AVST.DUX. Silver. (Strike date: 1986 - ) T4; H 62