Watch List notes:

Diadumenian. As Caesar, AD 217-218. AR Denarius (19.5mm, 3.32 g, 6h). Rome mint. 2nd emission of Macrinus. 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. Lightly toned with areas of iridescence, a few minor scratches. Good VF.

From the Brian Holland Collection, purchased from Nilus Coins.