Severus Alexander (222-235). AE Sestertius, 231-235 AD. D/ IMP ALEXANDER PIVS AVG. Laureate, draped and cuirassed bust right. R/ MARS VLTOR SC. Mars advancing right, holding spear and shield. RIC 635; C. 169. AE. g. 19.79 mm. 30.00 Glossy green brown patina. VF.