Marcus Aurelius (161-180) AR Denarius (Silver, 3.40g, 19mm) Rome, 169-170.
Obv: M ANTONINVS AVG TR P XXIIII, Laureate head of Marcus Aurelius to right.
Rev: SALVTI AVG COS III, Salus standing front, head to left left, feeding serpent, rising from altar, out of patera with her right hand and holding scepter in her left.
Ref: BMC 525. Cohen 546. RIC 222.