Antoninus Pius (138-161) AR denarius (Silver, 2.66g, 18mm) Rome, 150-151.
Obv: IMP CAES T AEL HADR ANTONINVS AVG PIVS P P, laureate head of Antoninus Pius right
Rev: TR POT XIIII COS IIII, Pax standing facing, head left, with olive branch in right hand and cornucopia in left; PAX in exergue.
Ref: RIC III 200.