Marcus Aurelius AE Sestertius. 163 AD. 

IMP CAES M AVREL ANTONINVS AVG P M, laureate head right
SALVTI AVGVSTOR TR P XVII S-C, COS III below, Salus standing left 
offering a patera to snake arising from altar, and holding sceptre. 

Cohen 562/564. RIC 843. 

Courtesy of Cayón Subastas
Auction  9 May 2013