PARTHIAN EMPIRE. Phraates III (70/69-58/57 BC). Æ tetrachalkous (4.54 gm; 18 mm). Mithradatkart mint. Darius (according to Sellwood), S36.19var. (without Nike behind obverse bust), monogram under horse's left foot. (not recorded by Sellwood). Nice original green patina. Choice VF. Scarce.