Watch List notes:

Diadumenian. As Caesar, AD 217-218. AR Denarius (20mm, 2.75 g, 12h). Rome mint. 2nd emission of Macrinus, AD 217-218. Bareheaded, draped, and cuirassed bust right / Diadumenian standing slightly left, head right, holding signum and scepter; two signa to right. RIC IV 102 (Macrinus); Clay Issue 2; RSC 3b. Toned, a few scratches, flan flaw on reverse. VF.