Roman Empire. Caracalla, 197-217 AD. AR Denarius. Rome Mint. Salus.
 
Obv: ANTONINVS PIVS AVG, laureate, draped and cuirassed bust right, seen from behind. Rev: PONTIF TR P VIII COS II, Salus feeding out of patera in right hand, a snake coiled round altar and resting left arm on side of chair.
 
A grey tone, an attractively struck piece.