Severus Alexander (222-235 AD). AR Denarius, 222 AD. Obv. IMP SEV ALEXAND AVG. Laureate bust right. Rev. PM TR P VII COS II PP. Mars standing right, holding spear in right hand, left hand resting on shield set on ground. RIC IV 83. 2.68 g. 20.00 mm. Superb. Lightly toned with underlying luster. FDC.