ANTONINVS PIVS AVG GERM (Translation: Antoninus Pius, Augustus, Germanicus. Antoninus Pius emperor (Augustus), conqueror of the Germans.)
Reverse description
Isis, draped, standing right, holding sistrum in right hand and presenting two corn-ears to Caracalla, in military attire, standing left, holding spear in right hand and trampling on crocodile.
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.)