Watch List notes:

Antoninus Pius (138-161). AR Denarius, Rome mint, 157-158. Obv. ANTONINVS AVG PIVS P P IMP II. Head of Antoninus Pius, laureate, right. Rev. TR POT XXI COS IIII. Annona, draped, standing right, left foot on prow, holding rudder in right hand and modius in left. RIC III Antoninus Pius 275. AR. 3.05 g. 16.50 mm. About VF.