AUSTRIA - AUSTRIA Burgau (Margraviate of), Maria Theresa (1740-1780). Thaler 1765 SC, Guntzbourg. Av. M. THERESIA. D: G. - R. IMP. HU. BO. REG. Bust diademed, cuirassed with cloak, right; below S. C. Rv. ARCHID. AUST. DUX. - BURG. CO. TYR. (date) (different). Double-headed imperial eagle crowned and displayed, with shield in heart and (workshop) below. KM.15 - Her.491-492 - Dav.1147; Silver - 41 mm - 12 h Top Pop: this is the finest graded example! PCGS MS62 (51879355). Only minor flats on upper parts of hair, and fields lightly browned with small circulation marks. Gilt highlights in the legends. Superb with corner flower.