Severus Alexander (222-235 AD). AE Sestertius, 227 AD. D/ IMP CAES M AVR SEV ALEXANDER AVG. Laureate, draped and cuirassed bust right. R/ PM TR P VI COS II PP SC. Mars walking right, carrying spear and trophy. RIC 456; C. 309. AE. g. 16.10 mm. 30.00 A spectacular, masterfully engraved portrait. Corrosion on edge, lovely emerald green patina. About EF/Good VF.