Watch List notes:

Diadumenian. As Caesar, AD 217-218. AR Denarius (20mm, 1.91 g, 6h). Rome mint. 2nd emission of Macrinus, AD 217-218. Bareheaded, draped, and cuirassed bust right / Diadumenian standing left, holding signum and scepter; two signa to right. RIC IV 102 (Macrinus); Szaivert Series 9–10; RSC 3b. Toned, some roughness. Near VF.