ANTONINVS PIVS AVG GERM (Translation: Antoninus Pius, Augustus, Germanicus. Antoninus Pius emperor (Augustus), conqueror of the Germans.)
Reverse description
Jupiter, naked to waist, seated left, holding patera in right hand and sceptre in left hand.
Reverse script
Latin
Reverse lettering
P M TR
P XX COS IIII P P (Translation: Pontifex Maximus, Tribunicia Potestate Vicesima, Consul Quartum, Pater Patriae. High priest, holder of tribunician power for the 20th time, consul for the fourth time, father of the nation.)