Watch List notes:

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