Antoninus Pius (138-161 A.D.) - Silver Denarius - 18.42mm, 3.45gr
Obverse - ANTONINVS AVG PIVS PP TR P XII
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 148 or 149 A.D. (COS IIII TRP XII)

Reference:
Mattingley, H. & Sydenham, E.A., "Roman Imperial Coinage", Volume 3 (RIC), p48, nr. 181
Sear, D.R., "Roman Coins and their Values" (RCV Millennium Edition), Volume 2, p212, nr. 4075.
Cohen, H, "Descriptions Historique des Monnaies frappees sous l'Empire Romain" (C), Volume 2, p298, nr. 281
Seaby, H.A. & Loosley, R., "Roman Silver Coins" (RSC), Volume 2, p174, nr. 281
Van Meter, D., "Handbook of Roman Imperial Coins", p135, nr. 18/13
Suarez, R., "Encyclopedia of Roman Imperial Coins II" (ERIC II),  p201, nr.546 (B09, O16, R040, T243), listed in error as T244

Quality: Very Fine