Antoninus Pius (138-161 A.D.) - Silver Denarius - 18.01mm, 3.37gr
Obverse - ANTONINVS AVG PIVS PP TR P XI
Antoninus, his laureate head right.
Reverse - COS IIII
Salus standing left, holding patera and feeding
snake arising from altar, and also holding
rudder resting on globe.

Minted in Rome in 147 or 148 A.D. (COS IIII TRP XI)

Reference:
Mattingley, H. & Sydenham, E.A., "Roman Imperial Coinage", Volume 3 (RIC), p46, nr. 167
Sear, D.R., "Roman Coins and their Values" (RCV Millennium Edition), Volume 2, p212, nr. 4075, variety with TRP XI
Cohen, H, "Descriptions Historique des Monnaies frappees sous l'Empire Romain" (C), Volume 2, p298, nr. 280
Seaby, H.A. & Loosley, R., "Roman Silver Coins" (RSC), Volume 2, p174, nr. 280
Van Meter, D., "Handbook of Roman Imperial Coins", p135, nr. 18/13
Suarez, R., "Encyclopedia of Roman Imperial Coins II" (ERIC II),  p201, nr.535 (B09, O14, R040, T243)

Quality: Very Fine