KINGS OF PARTHIA. Vologases IV, circa 147-191. Drachm (Silver, 20 mm, 3.69 g, 12 h), Ekbatana. Diademed bust of Vologases IV to left, wearing tiara. Rev. Arsakes I seated right, holding bow with both hands; below bow, monogram. Sellwood 84.128. Shore -. Sunrise 452. Minor marks and the reverse somewhat double struck, otherwise, good very fine.