Parthian Kingdom. Mithradates I. 164-132 B.C. Æ octachalkon (26 mm, 18.20 g, 11 h). Ekbatana, ca. 147/6 B.C. Diademed and draped bust of Mithradates I right / The Dioskouri on horseback galloping right. Sellwood 12.6; Shore -. Rare. Natural brown and green patina, numerous cleaning scratches in fields. Nearly very fine / fine.