Severus Alexander. AE As. 234 AD. 

Obv: IMP ALEXANDER PIVS AVG, laureate & draped bust right
Rev: PM TR P XIII COS III S-C / Sol walking left, raising right hand and holding whip, cloak billowing out behind. 

RIC IV-2, 540; Cohen 450.

Contributed by Dane for Roma Numismatics, June 2008