Kings Of Bithynia. Nikomedes IV Philopator, 94-74 BC. AR Tetradrachm (30mm, 15.78g). Nikomedia, year 207 = 92/1. Diademed head of Nikomedes IV to right / ΒΑΣΙΛΕΩΣ ΕΠΙΦΑΝΟΥΣ ΝΙΚΟΜΗΔΟΥ Zeus standing facing, his head turned to left, holding wreath in his right hand and scepter in his left; to left, eagle standing on thunderbolt above monogram and date ΖΣ. BMC 3. de Callataÿ p. 62. SNG von Aulock 266.