Kings of Bithynia, Nikomedes III Euergetes AR Tetradrachm. Late 2nd century BC. Diademed head right / Zeus Stephanophoros standing left; to inner left, eagle standing left on thunderbolt above monogram and date. De Callataÿ, p. 55 and 73. 16.69g, 32mm, 10h. Good Very Fine.