Marcus Aurelius AE Sestertius. 170-171 AD. 

IMP M ANTONINVS AVG TR P XXV, laureate head right.
SALVTI AVG COS III, S-C, Salus standing left, holding patera and 
sceptre, feeding serpent entwined around altar.

RIC 1009; Sear 4998 var (year).

With permission of TimeLine Originals (www.time-lines.co.uk), April, 2013