Severus Alexander, 222-235. Denarius (Silver, 21 mm, 4.27 g, 12 h), Rome, 222. IMP C M AVR SEV ALEXAND AVG Laureate, draped and cuirassed bust of Severus Alexander to right, seen from behind. Rev. MARTI PACIFERO Mars standing front, head to left, holding branch in his right hand and inverted spear in his left. BMC 68. Cohen 173. RIC 160. Perfectly centered on a broad flan. Struck from a lightly worn obverse die, otherwise, very fine.