As - Antoninus Pius (COS IIII S C)
Obverse
Head of Antoninus Pius, laureate, right.
Lettering: ANTONINVS AVG PIVS P P TR P XI
Reverse
Antoninus Pius, standing left, sacrificing with patera over tripod, left arm at side.
Lettering: COS IIII S C
Technical Details
Obverse Lettering
ANTONINVS AVG PIVS P P TR P XI
Reverse Lettering
COS IIII S C
Comments
Example of this type:
American Numismatic Society (ANS)
Source:
Online Coins of the Roman Empire (OCRE)