Severus Alexander (222-235 AD). Uncertain eastern mint. 1st issue, 222 AD
AR Denarius (19.3mm 3.36g)
Obv: IMP SEV ALEXAND AVG, laureate and draped bust right
Rev: P M TR P COS, Mars standing left, holding branch and inverted spear; star to lower left.
RIC IV 262; BMC 1007-8; RSC 201a.