Diadumenian, Caesar (217–218). Denarius (AR, 2.65 g, 20 mm, 7 h), Rome mint, 217–218. M OPEL ANT DIADVMENIAN CAES Draped bust of Diadumenian right, seen from front / PRINC IVVENTVTIS Diadumenian standing facing in military attire, head right, holding signum in his right hand and long sceptre in his left hand; to right, two signa. RIC 102; Cohen 3. Lightly toned. Rough surface and minor flan crack. Good fine.