Trajan (98-117) AR Denarius (Silver, 3.45g, 18mm) Rome, 116-117. Obv: IMP CAES NER TRAIAN OPTIM AVG GERM DAC, laureate and draped bust right Rev: PARTHICO P M TR P COS VI P P S P Q R, Sol, radiate and draped, right. Ref: RIC 326