Marcus Aurelius, as Augustus, AE sestertius 33 mm. Rome, struck AD 163-164. 25.59 g

M AVREL ANTONINVS AVG ARMENIACVS P M, laureate head right, slight drapery on left shoulder.
TR P XVIII IMP II COS III, Mars standing right in military dress, holding spear in right hand and resting left on shield at his side.
S-C across fields. 

RIC III 862; BMCRE 1090.

With permission of Auktionshaus H. D. Rauch GmbH auction 97, Lot 556, April 2015.