Severus Alexander. Denarius; Severus Alexander; 222-235 AD, Rome, 223 AD, Denarius, 2.52g. BM-117, C-239, RIC-32. Obv: IMP C M AVR SEV ALEXAND AVG Bust laureate, draped r. Rx: P M TR P - II C - OS P P Salus seated l. holding patera to snake rising from altar. From the Philip Ashton Collection, acquired in October 1997.. EF