Watch List notes:

SEVERUS ALEXANDER. Denarius. (Ar. 2.49g / 19mm). 222-228 AD Rome. (RIC 173). Anv: Laureate and draped bust of Alejandro Severo on the right, around the legend: IMP CM AVR SEV ALEXAND AVG. Rev. Providentia shelf on the left with rod on globe and scepter, around legend: PROVIDENTIA AVG. XF.