Severus Alexander, AE As, Rome, AD 228. 27 mm, 11.14 g. 

IMP CAES M AVR SEV ALEXANDER AVG, laureate, draped, cuirassed bust right.
P M TR P VII COS II P P, Pax running left,  holding olive branch and sceptre, 
S-C across fields. 

RIC IV 480; Cohen 350. 

With permission of Roma Numismatics Ltd E-Sale 52, Lot 893, Jan 2019.