Roman Currency Silver - Empire - Trajan - Denarius Rome 110. IMP TRAIANO AVG GER DAC P M TR P Laureate bust of Trajan right, slightly draped over the shoulder. Rev: COS V P S P Q R OPTIMO PRINC Arabia standing left, holding branch and cinnamon sticks; behind left, a camel advancing left. RIC 142 TTB 2.89 g.