Ancient Roman coin of Trajan Ae AsTrajan Size: 23mm Weight 7. 26 grams Obverse: IMP CAES NER TRAIANO OPTIMO AVG GERM radiate & draped bust right Reverse: DAC PARTHICO P M TR POT XX COS VI P P around oak wreath containing SC. Although RIC suggests that this type was struck at an eastern mint metallurgical analyses and stylistic comparisons show that it was minted at Rome. Trajan's titles date the coin to AD 116