Watch List notes:

Severus Alexander. AD 222-235. AR Denarius (20mm, 3.04 g, 12h). 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. Superb EF, toned.

From the collection of the MoneyMuseum, Zurich, purchased from Gorny & Mosch, March 2010.