Watch List notes:

Diadumenian. As Caesar, AD 217-218. AR Denarius (20mm, 2.89 g, 12h). Rome mint. 2nd emission of Macrinus. Bareheaded and draped bust right / Diadumenian standing slightly left, head right, holding signum and scepter; two signa to right. RIC IV 102 (Macrinus); Clay Issue 2; RSC 3. Toned, a couple of indentations, minor scratch on reverse. VF.

Ex Classical Numismatic Group Electronic Auction 489 (7 April 2021), lot 437.