Watch List notes:

Severus Alexander. AD 222-235. AR Denarius (19mm, 3.33 g, 6h). Rome mint. 3rd emission, AD 223. Laureate and draped bust right / Salus seated left on throne, feeding serpent rising from altar to left. RIC IV 32; RSC 239. Near EF, iridescently toned, with underlying luster.

Ex Classical Numismatic Group Electronic Auction 294 (16 January 2013), lot 743.