Antoninus Pius AD 138-161. Irregular denarius (AR; 16-17mm; 2.47g; 5h) ANTON[ ] XI Laureate head of Antoninus Pius to right. Rev. CO-S – IIII Salus standing left, with patera in right hand feeding snake coiled round altar and holding rudder in left.
cf. BMCRE IV p. 90, 622; cf. C. 280; cf. RIC III p. 46, 167.
Irregular mt 6, p. 132f. and pl. 8 (this coin).