Watch List notes:

KINGS of PARTHIA. Mithradates I (164-132 BC). Æ Oktachalkon (15.73 gm; 25 mm). Ekbatana mint. Struck circa 147/6 BC. Bearded bust right wearing diadem, pellet border / BASILEWS ARSAKOU, the Dioscuri galloping right. Sellwood 12.6; Shore -; BMC Parthia pg. 8, 14; Sunrise -. Choice Good VF. Nice dark brown patina. Extremely rare. Nice example for the issue.