Diadumenian. As Caesar, AD 217-218. AR Denarius (19mm, 2.96 g, 6h). Rome mint. 2nd emission, AD 217-218. Bare-headed and draped bust right / Diadumenian standing facing, head right, holding signum and scepter; two signa to right. RIC IV 102 (Macrinus); Clay Issue 2; RSC 3. Near EF.
