Marcus Aurelius AE Sestertius. AD 165. 35 mm, 22.4 g. 

M AVREL ANTONINVS AVG ARMENIACVS P M, laureate, cuirassed bust right, seen from the back.
TR POT XIX IMP II COS III, emperor, in military dress, 
standing left between four standards, holding spear. SC below.

RIC 908; Cohen 804; BMCRE 1239. 

With permission of Numismatica Ars Classica auction 33, Lot 502, April 2006.
Estimate: CHF 7,000.