Watch List notes:

Diadumenian, as Caesar, Æ As. Rome, AD 217-218. M OPEL ANTONINVS DIADVMENIANVS CAES, bare-headed, draped and cuirassed bust right / PRINC IVVENTVTIS, Diadumenian standing facing, head right, holding standard in right hand and sceptre in left; behind, two standards. RIC 212; Cohen 9; BMC 159. 8.87g, 25mm, 12h.

Good Fine.