Watch List notes:

Diadumenian, as Caesar, AR Denarius. Rome, AD 217-218. M OPEL ANT DIADVMENIAN CAES, bare-headed, draped bust right / PRINC IVVENTVTIS, Diadumenian standing facing, head right, holding standard and sceptre, two more standards to right. RIC 102. 3.09g, 20mm, 7h.

Good very Fine. Scarce.