ANTONINVS PIVS AVG GERM (Translation: Antoninus Pius, Augustus, Germanicus. Antoninus Pius emperor (Augustus), conqueror of the Germans.)
Reverse description
Diana, with crescent on head, draped, standing left in biga pulled by bulls.
Reverse script
Latin
Reverse lettering
P M TR
P XVIII COS IIII P P (Translation: Pontifex Maximus, Tribunicia Potestate Octava Decima, Consul Quartum, Pater Patriae. High priest, holder of tribunician power for the 18th time, consul for the fourth time, father of the nation.)