KINGS of PARTHIA. Mithradates II. 121-91 BC. AR Tetradrachm (29mm, 15.93 g, 12h). Seleukeia on the Tigris mint. Struck circa 120/19-109 BC. Diademed bust left / Archer (Arsakes I) seated right on omphalos, holding bow; palm to outer right; TV in exergue. Sellwood 24.4; Sunrise 284; Shore 67. Toned, some porosity, minor weak strike at periphery. VF.