TYPE Roman Empire, Severus Alexander (222-235 AD), silver denarius, struck 231-5 AD DESCRIPTION . Obv: Laureate bust of Severus Alexander to right; legend: IMP ALEXANDER PIVS AVG Rev: Mars advancing right, legend: MARS VLTOR REFERENCE: RSC 161 GRADING: EF / AEF, slightly grainy, edge flaw ORDER INFO: R1836, $26