Watch List notes:

Severus Alexander. A.D. 222-235. AR denarius (19.3 mm, 2.27 g, 1 h). Rome, A.D. 223. IMP C M AVR SEV ALEXAND AVG, laureate, draped and cuirassed bust right / P M TR P II COS P P, Mars standing left, holding olive branch and spear. RIC 23; RSC 231. VF.