Bronze sestertius, 31mm, 20.21gm, issued AD 228 Rome mint.
Obv: IMP CAES M AVR SEV ALEXANDER AVG, Bust of Severus Alexander, laureate, draped, right.
Rev: P M TR P VII COS II P P S C, Severus Alexander, veiled, togate, standing left, sacrificing out of patera in right hand at lighted altar, holding roll in left hand.