Parthian Kingdom. Phraates III. Ca. 70-57 B.C. AE tetrachalkon (19.2 mm, 4.76 g, 11 h). Ecbatana mint, Struck ca. 67/6-63/2 B.C. Diademed bust left; Nike flying left behind, crowning him / Horse advancing right. Sellwood 35.19; Shore 162. aVF. Very Rare.