Watch List notes:

Antoninus Pius (138-161). AR Denarius, 156-157 AD. Obv. ANTONINVS AVG PIVS PP IMP II. Laureate head right. Rev. TR POT XX COS IIII. Annona standing right, left foot on prow, holding rudder and modius. RIC 260. AR. g. 3.16 mm. 18.00 EF.