Commodus AR Denarius. 2.40 gr, 18.15 mm. Rome. 183 AD.

Obv: M COMMODVS ANTON AVG PIVS, laureate head right.  
Rev: TR P VIII IMP VI COS IIII P P, Mars walking right, 
holding trophy and spear.

RIC III 54; RSC 878; cf Sear 5715 (year).

Courtesy of TimeLine Originals (www.time-lines.co.uk), Apr, 2010