Watch List notes:

Severus Alexander. A.D. 222-235. AR denarius (18.8 mm, 2.91 g, 6 h). Rome mint, struck A.D. 227. IMP C M AVR SEV ALEXAND AVG, laureate, draped, and cuirassed bust right / P M TR P VI COS II P P, Pax advancing left, holding branch and scepter. RIC 67; BMCRE 423; RSC 319. gVF. 

Ex Elwood Rafn collection.