Antoninus Pius (138-161). AE Sestertius, 145-161. Obv. ANTONINVS AVG PIVS PP TR P. Laureate head right. Rev. COS IIII SC. Securitas seated left, holding sceptre and propping head on left hand. RIC III 764; C. 298. 26.27 g. 33.00 mm. Deep brown patina with blue deposits on reverse. About VF.