Severus Alexander (222-235). AE Sestertius. Struck AD 222-231. Obv. IMP ALEXANDER PIVS AVG. Laureate, draped and cuirassed bust right. Rev. MARTI PACIFERO SC. Mars standing left, holding branch and reversed spear. RIC IV 585. 20.23 g. 33.00 mm. Dark olive green patina with reddish brown spots. Good F.