Watch List notes:

Antoninus Pius (138-161). AE Sestertius, 156-157 AD. Obv. ANTONINVS AVG PIVS PP IMP II. Laureate head right. Rev. [TR POT XX] COS IIII SC. Securitas seated left, holding sceptre and resting left elbow on cornucopiae, which forms arm of chair. RIC 967. C. 1008. AE. g. 25.17 mm. 31.50 Dark green patina. VF.