DIADUMENIAN, as Caesar. 218 AD. AR Denarius (3.24 gm). M OPEL ANT DIADVMENIAN CAES, bare-headed and draped bust right / PRINC IVVENTVTIS, Diadumenian standing half-left, head right, holding standard and sceptre; two standards behind. RIC IV 102 (Macrinus); BMCRE 87 (Macrinus); RSC 3a. EF. $595.
