Roman Imperial
Antoninus Pius (AD 138-161) Rome.
AR Denarius (18.4mm, 3.1g)
Obv: ANTONINVS AVG PIVS P P TR P XVII. Laureate head right.
Rev: COS IIII. Annona standing left, holding two grain ears and resting hand on modius set on prow to right.
RIC 231.