Diadumenian as Caesar. Denarius; Diadumenian as Caesar; 217-218 AD, Rome, Denarius, 3.11g. RIC-102 note. Obv: M OPEL ANT DIADVMENIAN CAES Bare-headed, draped, cuirassed bust r., seen from front. Rx: PRINC IVVENTVTIS Diadumenian standing l., holding standard and scepter, two further standards behind him. Ex CNG E441, 3 April 2019, lot 457. A rare variant of the reverse type with Diadumenian looking left, rather than looking right as is normal in this issue.. Toned MS