Watch List notes:

Severus Alexander. AD 222-235. Æ Sestertius (30mm, 22.57 g, 12h). Rome mint. 15th emission, AD 232. Laureate, draped, and cuirassed bust right / Mars Ultor running right, holding spear and shield. RIC IV 635; BMCRE 846-7; Banti 49 var. (break in rev. legend). VF, dark gray patina, some brown, scratch on obverse.

The reverse of this Sestertius features Mars in his most forceful appearance, as Mars Ultor, Mars the Avenger.