Antoninus Pius (138-161). AR Denarius, ca 159-160. Obv. ANTONINVS AVG PIVS PP TRP XXIII. Rev. FELIC SAEC COS IIII. Felicitas standing left, holding caduceus and leaning on column. RIC III 298; C. 360. 3.21 g. 18.00 mm. A superb example, prettily toned, with iridescent hues. About EF.