THRACE. The Danubian District. Istrus. AR Drachm (5.83 gms), ca. 4th Century B.C.,SNG BM Black Sea-245. Two facing male heads, one inverted; Reverse: Eagle atop dolphin, H to right, Delta below. Nice strike with attractive stony grey toning and underlying luster.,NGC Ch AU*, Strike: 5/5 Surface: 5/5.