As Antoninus Pius - sacrificing emperor
ANTONINS PIUS - AE As. Rome, 158-159 AD.
Obv. ANTONINVS AVG PIVS P P TR P XXII
Rev. VOTA SVSCEP DECENN III / (COS IIII) SC Emperor, veiled, standing l. and sacrificing over tripod.
RIC - cf 1028; Cohen - cf 1125
Type struck at the occasion of the celebration of the 'Vota vicennalia' on 10 July 158, where vow for the third Decennium were taken.
The corresponding Sestertius with VOTA SVSCEP DECENN III COS IIII rev. is RIC 1009; the Dupondius is unrecorded, yet an ex. was sold recently:
Ex. Den of Ant. (Ebay), 4 March 2009