Transylvania 1 Ducat 1755 Maria Theresia (1740-1780). Obverse: Bust of Maria Theresia right. Obverse Legend: M • THERESIA • D : G • ... Reverse: Crowned arms on breast of crowned double-headed eagle; date in legend. Reverse Legend: TRAN • CO • TY • 1755 AR • AU • DUX • BU • ME • P •. Gold 3.50g. KM 610