Severus Alexander Æ Sestertius. Rome, AD 227.
Obv: IMP CAES M AVR SEV ALEXANDER AVG, laureate, draped and cuirassed bust to right.
Rev: P M TR P VI COS II P P, Mars advancing to right, carrying spear and trophy; S-C across fields.
RIC IV 456; BMCRE 415.
Weight: 20.68 g.
Diameter: 29 mm.