Diadumenian, as Caesar (AD 217-218).
Silver Denarius, mint of Rome.
Obverse: M OPEL ANT DIADVMENIAN CAES, bare headed, draped and cuirassed bust of Diadumenian facing right.
Reverse: PRINC IVVENTVTIS, Diadumenian standing facing, head right, holding standard and sceptre, two standards to right.
(RIC 102 (Macrinus); BMC 87 (Macrinus); RSC 3).
Good Very Fine.