As - Antoninus Pius (S P Q R OPTIMO PRINCIPI S C)
Obverse
Head of Antoninus Pius, laureate, right.
Lettering: ANTONINVS AVG PIVS P P TR P COS IIII
Reverse
Oak-wreath.
Lettering: S P Q R OPTIMO PRINCIPI S C
Technical Details
Obverse Lettering
ANTONINVS AVG PIVS P P TR P COS IIII
Reverse Lettering
S P Q R OPTIMO PRINCIPI S C
Comments
Mass varies: 8.352–12.02 g;
Diameter varies: 25–28 mm;
Example of this type:
American Numismatic Society (ANS)
Source:
Online Coins of the Roman Empire (OCRE)