Watch List notes:

Severus Alexander. AD 222-235. AR Denarius (19.5mm, 3.20 g, 6h). Rome mint. 8th emission, AD 228. Laureate and draped bust right / Mars advancing right, holding spear and trophy over shoulder. RIC IV 73; BMCRE 453-5; RSC 332. Considerable luster in fields, traces of deposits on reverse. EF.