Watch List notes:

Severus Alexander. AD 222-235. AR Denarius (19mm, 3.00 g, 6h). Rome mint. 15th emission, AD 232. Laureate, draped, and cuirassed bust right / Mars advancing right, holding transverse spear and shield. RIC IV 246; BMCRE 831-2; RSC 161a. Choice EF, lightly toned, a spot of verdigris on the reverse.

From the collection of the MoneyMuseum, Zurich. Ex Gorny & Mosch 186 (8 March 2010), lot 2184.