As - Antoninus Pius (COS IIII S C; Hercules)
Obverse
Head of Antoninus Pius, laureate, right.
Lettering: ANTONINVS AVG PIVS P P TR P XVII
Reverse
Hercules, naked, standing right, lion-skin on left arm, leaning on club and holding bow and arrow.
Lettering: COS IIII S C
Technical Details
Obverse Lettering
ANTONINVS AVG PIVS P P TR P XVII
Reverse Lettering
COS IIII S C
Comments
Example of this type:
Münzkabinett der Universität Göttingen
Source:
Online Coins of the Roman Empire (OCRE)