Bithynian Kingdom, Prusias I. 228-182 BC. Tetradrachm, 16.70g (1h). Obv: Diademed head of king right. Rx: ΒΑΣΙΛΕΩΣ ΠΡΟΥΣΙΟΥ Zeus Stratius standing left, holding wreath over royal name and scepter; in inner left field, thunderbolt over ME ligate and monogram. Waddington 9b. Jameson 1387. SNG von Aulock 6878. A second specimen, from different dies. VF