AR Denarius (3.32 gm, 19.66 mm) Rome mint. Struck 217-218 AD. M OPEL ANT DIADUMIAN CAES, bare-head, draped bust right / PRINC IVVENTVTIS, Diadumenian in military attire, standing, facing, head right, holding standard and sceptre, two more standards set in ground to right RIC 102; BMCRE 87. Rare. gVF.