KINGS OF BITHYNIA. Prusias II Cynegos (182-149). Ae. Obv: Draped bust of Dionysos right, wearing ivy wreath. Rev: BAΣIΛEΩΣ ΠΡΟYΣIOY. The Centaur Chiron standing right, playing lyre; and monogram right. RG 26; SNG Copenhagen 640. 6.05 gr. 23 mm