Trajan (98-117) AR Denarius (Silver, 3.20g, 20mm) Rome, 103-104
Obv: IMP TRAIANO AVG GER DAC PM TR P COS V PP, laureate head r. with slight drapery on left shoulder
Rev: SPQR OPTIMO PRINCIPI, Mars standing front, looking r., holding spear and resting left hand on shield.
Ref: RIC 163