Watch List notes:

Diadumenian. As Caesar, AD 217-218. AR Denarius (20mm, 3.74 g, 6h). Rome mint. 2nd emission of Macrinus, AD 217-218. Bareheaded and draped bust right / Diadumenian standing left, head right, holding aquila and scepter; aquila and signum to right. RIC IV 102; Szaivert series 9-10; RSC 3. Good VF, minor porosity.

Ex Classical Numismatic Group Electronic Auction 165 (30 May 2007), lot 275.