Antoninus Pius (138-161). AR Denarius, Roma mint , 147-148 AD. Obv. ANTONINVS AVG PIVS P P TR P XI. Laureate head right. Rev. PRIMI / DECEN / NALES / COS IIII, legend within oak wreath. RIC III 171. 2.82 g. 18.00 mm. R. Rare and superb example. Unusual portrait and pleasant tone. Good EF.