Macrinus AE Sestertius. Rome mint, ca September-December AD 217. 

IMP CAES M OPEL SEV MACRINVS AVG, laureate, cuirassed bust right, 
with long beard.
PONTIF MAX TR P COS P P, S-C in lower fields, Fides standing 
left, head right, right foot on helmet, holding two standards, 
one surmounted by an eagle, the other by a wreath. 

RIC 141; Cohen 61.

With kind permission of www.edgarlowen.com, Nov. 2011.