DIADUMENIAN. As Caesar, 217-218 AD. AR Denarius (19mm, 4.05 g, 1h). 2nd emission, July 217-March 218 AD. M OPEL ANT DIADVMENIAN CAES, bare-headed and draped bust right / PRINC IVVENTVTIS, Diadumenian standing facing in military uniform, head right, holding standard and sceptre; two standards right. RIC IV 102 (Macrinus); Clay Issue 2; RSC 3; BMCRE 87. Good VF, toned.