Image Missing: Hearst Museum object titled Coin: ar denarius, museum number 8-5640, described as Coin. Roman. Denarius, silver. ( gms.; 19 mm.) Trajan. AD 103-111, Rome. Obverse: IMP TRAIANO AVG GER DAC P M TR P Head facing right, laureate. Reverse: COS V PP SPQR OPTIMO PRINC Mars (Greek: Ares) in military dress moving left holds Victory and trophy.