Severus Alexander (AD 222-235). AR denarius (20mm, 3.25 gm). Rome, AD 228.
IMP C M AVR SEV ALEXAND AVG, laureate and draped bust of Severus Alexander right, seen from behind / P M TR P VI COS II P P, Pax running left, with branch in right hand and scepter in left.
RIC IV.67.