Prusias II, King of Bithynia. AE21. 182-149 BC. 6.4 g. Head of Dionysos right, wreathed with ivy. BASILEWS PROYSIOY, the centaur Chiron walking right, playing lyre, his cloak billowing out behind him. MT monogram in lower right field. BMC 10-11; Luynes 2425; RecGen 26.5; Amsterdam Coll. Bithynia 19; SNG Copenhagen 638. With permission of Roma Numismatics E-Sale 68, Lot 397, Feb. 2020.