Antoninus Pius (138-161). AE Sestertius, 145-161. Obv. ANTONINVS AVG PIVS PP TR P. Laureate head right. Rev. [C]OS IIII SC. Securitas seated left, holding sceptre and propping head on left hand. RIC III 764. AE. 23.52 g. 29.50 mm. Scarce. A superb example. Bold portrait and lovely even olive green patina, Insignificant metal flaw on Antoninus' neck, otherwise. EF.