Watch List notes:

Severus Alexander. AD 222-235. AR Denarius (20mm, 3.01 g, 12h). Rome mint. 15th emission, AD 232. Laureate and draped bust right / IOVI PRO PVGNATORI, Jupiter in fighting stance left, head right, hurling thunderbolt and holding eagle. RIC IV 239; BMCRE 825 var. (break in rev. legend); RSC 84. Superb EF, lightly toned.

The reverse shows Jupiter Propugnator, the defender of the emperor, brandishing a thunderbolt.