KINGS of PARTHIA. Vologases IV, circa 147-191. Dichalkon (bronze, 4.45 g, 18 mm), Seleukeia on the Tigris. Diademed bust of Vologases IV to left, wearing tiara; to left, ςOY. Rev. Draped and turreted bust of Tyche to right; to right, A. Sellwood 84.145. Nearly very fine.