Ancient Coins, Parthian Kingdom, Mithradates II (c. 123-88 BC), silver tetradrachm, Seleukeia on the Tigris, c. 119-109 BC, bust to l., rev. archer seated right on omphalos, holding bow, wt. 15.89gms. (Greek Coins II, 7365), small defect above nose on obverse, cleaned, about extremely fine (£350-400)