Antoninus Pius (138-161). AR Denarius, 156-157 AD. D/ ANTONINVS AVG PIVS PP IMP II. Laureate head right. R/ TR POT XIX COS IIII. Pietas standing front, head left, placing her hands on the heads on two children. RIC 253 a; C. 992. AR. g. 2.90 mm. 17.50 Brilliant and superb. EF/About EF.