Severus Alexander Æ Sestertius. 228 AD. 

IMP CAES M AVR SEV ALEXANDER AVG, laureate, draped bust right P M TR P VI COS II P P S-C, Pax advancing left with olive branch & scepter. 

Cohen 320, RIC IV 465, RCVM 7993

Contributed by Peter Dearing, August 2009