Severus Alexander, billon quinarius. Rome. 15 mm, 1.46 g. AD 233-235.

IMP C M AVR SEV ALEXAND AVG, laureate, draped bust right.
MARTI PACIFERO, Mars, helmeted, standing left, holding branch and reversed spear. (Reverse doublestruck due to rotated die).

RIC 161; RSC 174; Vienna 205994.

Image courtesy of the Münzkabinett Vienna.