AR Drachm [20,19 mm; 3,26 gm]. Ecbatana mint. Diademed and draped bust of Vologases I to left / ΒΑΣΙΛΕΩΣ ΒΑΣΙΛΕΩΝ ΑΡΣΑΚΟY EYEPΓETOY ΔΙΚΑΙΟY ΕΠΙΦΑΝΟYΣ ΦΙΛΕΛΛΗXΟΣ Arsakes I seated right on throne, holding bow; monogram below bow. Sellwood 70.13; Shore 374; Sunrise 424. Toned aEF.