ANTONINVS PIVS FEL AVG (Translation: Antoninus Pius Felix Augustus. Antoninus, pious and fortunate emperor.)
Reverse description
Serapis, wearing polos on head, standing left, raising right hand and holding transverse sceptre in left hand.
Reverse script
Latin
Reverse lettering
P M TR
P XVI COS IIII P P (Translation: Pontifex Maximus, Tribunicia Potestate Sexta Decima, Consul Quartum, Pater Patriae. High priest, holder of tribunician power for the 16th time, consul for the fourth time, father of the nation.)