Trajan (98-117) AR Denarius (Silver, 3.37g, 18mm) Rome, 103-111.
Obv: IMP TRAIANO AVG GER DAC PM T R P, laureate, draped and cuirassed bust right
rev: COS V P P S P Q R OPTIMO PRINC, Arabia standing left, holding a branch and a bundle of cinnamon sticks; at her feet, a camel walking left.
Ref: RIC 142