Severus Alexander, Rome mint, 227 AD.,
Denarius (18-20 mm / 2.86 g),
Obv.: IMP C M AVR SE[V - A]LEXAND AVG , laureate, draped bust of Severus Alexander right, seen from behind.
Rev.: PM TRP VI COS II PP, Mars advancing right with spear and trophy.
RIC 61 ; Coh. 305 ; RSC 305 .