The Parthian Kingdom - Tiridates (29-27 BC) - AR tetradrachm (15.01 g.). Bare-headed bust left without royal wart, medium pointed beard, wearing diadem / King seated left on throne, holding Nike who is crowning the king with diadem. Standard Greek legend around. Seleucid era between throne legs. Ref.: Sellwood 55.3; Shore 307. VF