Severus Alexander, AE Sestertius, 31mm, 21.49 gr. 228 AD. 

IMP CAES M AVR SEV ALEXANDER AVG, laureate, draped, cuirassed bust right.
P M TR P VII COS II P P, S-C, Mars, helmeted, naked except
for mantle around waist, walking right, holding spear and trophy.

RIC 472 var; Cohen 334 var; BMC 456 var (all laureate and draped only). 

Scarce variety.

Contributed by Dr. Hubert Lanz, auction November 2000, 
Added July 2011.