Parthian Kingdom. Mithradates I. 164-132 B.C. Æ octachalkon (26 mm, 13.94 g, 12 h). Ekbatana. Diademed and draped bust of Mithradates I right / The Dioskouroi on horses rearing right, holding palms and spears. Sellwood 12.6; Shore ; Sunrise -. Rare. Dark black-green patina. Very fine / fine.