Roman Imperial. Severus Alexander - Pax Denarius. 227 AD. Rome mint. Obv: IMP C M AVR SEV ALEXAND AVG legend with laureate and draped bust right. Rev: PAX AETERNA AVG legend with Pax standing left, holding branch and sceptre. RIC 165; RSC 183; Sear 7886. 2.4 g, 19,8 mm.