Antoninus Pius (138-161), AR Denarius (Silver, 3.24g, 18mm) Rome, 154-155
Obv: ANTONINVS AVG PIVS P P TR P XVIII, laureate head of Antoninus Pius right
Rev: COS IIII, Annona standing left, holding corn ears, in the right field modius on the bow of the ship
Ref: RIC 239