Antoninus Pius (138-161), AR denarius (Silver, 18,7 mm, 3,34 g).

Antoninus Pius (138-161), AR denarius (Silver, 18,7 mm, 3,34 g).
Obv: ANTONINVS AVG PIVS P P TR P XV, laureate head of Antoninus right.
Rev: COS - IIII, Annona standing left, holding corn-ears and placing left hand on modius set on ship.
Ref: RIC 204. 

Year: 138-161
Diameter: 18.7 mm
Weight: 3.34 g
Material: Silver