Watch List notes:

Severus Alexander. As Caesar, AD 222. AR Denarius (18mm, 3.21 g, 12h). Rome mint. Struck under Elagabalus. Bareheaded and draped bust right / Emblems of the pontificate: lituus, secespita, guttus, simpulum, and aspergillum. RIC IV 3; Thirion 495; RSC 198. Good VF, minor porosity. Rare.