Severus Alexander Denarius, Pax reverse Severus Alexander (222-235 AD). AR Denarius (18 mm, 2.8 g), Roma (Rome), 227 AD. Obv. IMP C M AVR SEV ALEXAND AVG, laureate, draped and cuirassed bust right, seen from behind. Rev. P M TR P VI COS II P P, Pax running left, holding olive-branch and sceptre.