KINGS OF BITHYNIA. Prusias II Cynegos. 182-149 B.C. Æ. 3.65 gm. 18 mm. His head right, wearing winged diadem / Herakles standing left, holding lion's skin and resting hand on club; monogram in inner right field; BAΣIΛEΩΣ ΠΡΟYΣIOY. HGC 7, 634. RG 25. Very Fine; beautiful hard glossy dark green-brown patina with red earthen highlights; a few tiny bits of verdigris and light cleaning marks. Well centered and very pleasing.