Severus Alexander (222-235).     AE Sestertius, Rome mint, 234 AD.   Obv.    IMP ALEXANDER PIVS AVG. Draped and cuirassed bust right.        Rev.   P M TR P XIII COS III P P  S C. Sol, radiate, walking left, raising right hand and holding whip in left hand.     RIC IV  538c.     19.78 g.   31 mm.        Minor scratch on obverse.    VF.