IMP
CAESAR TRAIAN AVG GERM (Translation: Imperator Caesar Traianus Augustus Germanicus. Supreme commander (Imperator), Caesar, Trajan, emperor (Augustus), conqueror of the Germans.)
Reverse description
Diana walking right, drawing arrow from her quiver.
Reverse script
Latin
Reverse lettering
S
C (Translation: Senatus Consultum. Decree of the senate.)