Commodus (177-192) AR Denarius (Silver, 1.95g, 18mm) Rome, 183.
Obv: M COMMODVS ANTON AVG PIVS, Laureate head of Commodus to right.
Rev: TR P VIII IMP VI COS IIII P P Salus standing front, head to left, feeding serpent, rising from altar, out of patera with her right hand and holding scepter in her left.
Ref: RIC 66.