Kings of Bithynia. Prusias II Cynegos, 182-149 BC. AE (20mm, 5.54g). Draped bust of Dionysos right, wearing ivy wreath. / BAΣIΛEΩΣ ΠΡΟYΣIOY. The centaur Chiron standing right, playing lyre; monogram beneath leg. Rec Gen 26, SNG Cop 635. BMC 14; Sear Greek 7266.