Watch List notes:

Antoninus Pius. A.D. 138-161. AR denarius (18.7 mm, 3.15 g, 7 h). Rome mint, Struck A.D. 149. ANTONINVS AVG PIVS P P TR P XII, laureate head of Antoninus Pius right / COS IIII, Annona standing facing, head left, holding grain-ears over modius containing grain ears and anchor. RIC III 175; RSC 284. EF, well-struck on good-sized flan, small, closed flan crack, cleaned in past and re-toning light gray.