CNG ebay - Severus Alexander. Sestertius. Mars. VF Severus Alexander. 222-235 AD. Æ Sestertius (26.94 gm). 231-235 AD. IMP ALEXANDER PIVS AVG, laureate draped and cuirassed bust / MARS VLTOR S C, Mars advancing right, holding spear and shield. RIC IV 635; Cohen 160. VF, mottled red-green patina. 725042