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     Trajan, AR denarius, (3.07g) IMP TRAIANO AVG GER DAC P M TR P COS
     VI P P Laureate, draped and cuirassed bust right. / S P Q R
     OPTIMO PRINCIPI Mars advancing right, bearing spear and trophy.
     Good VF, full flan. 60 Similar reverses are common for Hadrian
     and Severus Alexander. The reverse figure is described as Mars,
     Romulus, Virtus and the Emperor.