Watch List notes:

Severus Alexander (222-235), Sestertius, Rome, AD 226; AE (g 18,90; mm 31; h 11); IMP CAES M AVR SEV ALEXANDER AVG, laureate, draped and cuirassed bust r., Rv. P M TR P V COS II P P, Emperor standing l., sacrifing over altar and holding roll; in field, S - C. RIC 446; C 293.
Dark green patina, extremely fine.