Watch List notes:

Antoninus Pius, 138 - 161 ADSilver Denarius, Rome Mint, 19mm, 3.19 gramsObverse: ANTONINVS AVG PIVS P P TR P XI, Laureate head of Antoninus right.Reverse: COS IIII, Salus standing left feeding from patera a serpent entwined around altar, in left hand rudder and globe.RIC167