Watch List notes:

Antoninus Pius (138-161). AE Sestertius, Rome mint, 156-157 AD. Obv. Laureate head right. Rev. Annona standing right, left foot on prow, holding rudder and modius on left knee. RIC III 964. AE. 21.92 g. 29.50 mm. Uneven mottled emerald and olive green patina. VF.