Trajan (98-117) AR Denarius (Silver, 3.16g, 19mm) Rome.
Obv: IMP TRAIANO AVG GER DAC P M TR P, Laureate head right, with slight drapery.
Rev: COS V P P SPQR OPTIMO PRINC / DAC CAP, Bound Dacian captive seated right on pile of arms.
Ref: Woytek 276b; RIC 96.