Very nice dupondius from the late Antoninus Pius period.
Roman Imperial
Antoninus Pius (138-161), Dupondius 158-159, Rome mint
Obverse: radiate head of Antoninus Pius right
ANTONINVS AVG PIVS P P TR P XXII
Reverse: emperor, standing left, sacrificing with patera over tripod, S-C across the fields
VOTA SVSCEPTA DEC III COS IIII
Diameter 26 mm, weight 11.17 g