DIADUMENIAN, as Caesar. 217-218 AD. AR Denarius (19mm, 3.70 gm). Struck July 217-March 218 AD. M OPEL ANT DIADVMENIAN CAES, bare-headed, draped, and cuirassed bust right / PRINCIPI IVVENTVTIS, Diadumenian standing facing, head right, holding standard and baton; two standards to right. RIC IV 102 (Macrinus); Clay issue 2; BMCRE 84 note (Macrinus); RSC 3b. Choice EF.
