PARTHIAN KINGDOM. Mithradates I. 164-132 BC. AR Tetradrachm (15.34 gm; 29 mm). NGC Choice AU (Strike 4/5; Surface 3/5). Fine Style. Light marks. Certificate # 4885147-007. Seleukeia on the Tigris, ca. 141/0 BC. Diademed and bearded bust of Mithradates I right / Herakles standing left, holding cup, lion's skin and club; monogram in exergue. Sellwood 13.2; Shore 35; Sunrise 260. Nicely centered. Choice AU.