Roman Empire, Severus Alexander, Denarius

A nice example of a rare denarius.

Obverse: A bust of the emperor wearing a laurel wreath, with drapery over his left shoulder, facing right; the legend in the rim reads:
IMP ALEXANDER PIVS AVG;

Reverse: Mars standing facing left, holding a shield and an inverted spear; the legend in the rim reads:
P M TR P X COS III P P;