Watch List notes:

SEVERUS ALEXANDER, (A.D.222-235), silver denarius, issued 228, Rome mint, (3.08 g), obv. laureate head to right, around IMP SEV ALEXAND AVG, rev. P M TR P VII COS II P P, Mars in military dress, standing half right, holding reversed spear and resting hand on shield, (S.7905, RIC 83, RSC 337). Nearly as struck, extremely fine, scarce.

Ex B.W.Ahearn Collection and previously from Noble Numismatics Sale 62 (lot 2048).