Marcus Aurelius. AE Sestertius 161 AD. 

IMP CAES M AVREL ANTONINVS AVG P M, bare-headed, cuirassed bust right.
CONCORD AVGVSTOR TR P XV around, S-C across fields, COS III 
below, Marcus and Verus clasping hands. 

RIC 796; Cohen 45; Sear 4962 var.

With permission of Numismatica Ars Classica, Auction 78, Lot 2282, May 2014.