Watch List notes:

Severus Alexander. As Caesar, AD 222. AR Denarius (19mm, 2.60 g, 6h). 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. VF, toned. Rare.