ROMAN EMPIRE. Augustus. 27 BC- 14 AD. AR Cistophoric Tetradrachm (11.95 gm; 28 mm). Ephesus mint. IMP CAESAR DIVI F COS VI LIBERTATIS PR VINDEX Laureate head right / Pax standing left holding caduceus, behind, snake emerging from cista mystica (PAX to left), all within laurel wreath. RIC 476; BM 691; RPC 2203(80 coins, 50 obverse dies); RSC 218. Nicely centered. Lovely strike on a nice flan. Choice EF. Lightly toned.