Severus Alexander AR Denarius. Rome mint: AD 223. Obv: IMP C M AVR SEV ALEXAND AVG, laureate, draped bust right. Rev: P M TR P II COS P P, Salus seated left, holding patera and feeding serpent coiled around an altar left to left. RIC 32; RSC 239; Sear -. With permission of Numismatik Lanz, Spring 2008.