As - Antoninus Pius (S C; Mars)
Obverse
Head of Antoninus Pius, laureate, right.
Lettering: ANTONINVS AVG PIVS P P TR P COS IIII
Reverse
Mars, advancing right, holding spear in right hand and trophy in left.
Lettering: S C
Technical Details
Obverse Lettering
ANTONINVS AVG PIVS P P TR P COS IIII
Reverse Lettering
S C
Comments
Mass varies: 11.21–25 g;
Example of this type:
Trustees of the British Museum
Source:
Online Coins of the Roman Empire (OCRE)