M
COMMODVS ANTON AVG PIVS (Translation: Marcus Commodus Antoninus Augustus Pius. Marcus Commodus Antoninus, emperor (Augustus), the pious.)
Reverse description
Mars, helmeted, advancing right, holding spear in right hand and trophy sloped over left shoulder in left hand.
Reverse script
Latin
Reverse lettering
TR P
VIII IMP VI COS IIII P P (Translation: Tribunicia Potestate Octava, Imperator Sextum, Consul Quartum, Pater Patriae. Holder of tribunician power for the eighth time, supreme commander (Imperator) for the sixth time, consul for the fourth time, father of the nation.)