Antoninus Pius Overdate. Denarius; Antoninus Pius Overdate; 138-161 AD, Rome, 152 AD, Denarius, 3.64g. Strack-241. Obv: IMP CAES T AEL HADR ANTONINVS AVG PIVS P P Head laureate r. Rx: TRANQ in exergue, TR POT XV over XIIII - COS IIII on l. and r., Tranquillitas standing r. holding wheat ears and rudder. Ex Curtis L. Clay Collection.Reverse weakly struck. MS