Rome - Antoninus Pius Dupondius

OB: ANTONINVS AVG PIVS P P IMP II. Radiate bust right. Rx: wreath design with the legend TR POT XIX COS IIII. Rome mint 155 - 156 A.D. An orichalcum dupondius, the radiate bust signifies and a double As denomination just as a radiate antoninianus is a double denarius.