Commodus, AE As. 180-192 AD. Rome. 29mm. 

Obv: M COMMODVS ANT P FELIX AVG BRIT, laureate bust right.
Rev:  MART PACAT P M TR P XIIII IMP VIII COS V P P, S-C,
Mars standing left, holding branch and spear. 

RIC III 527 var (RIC lists only sestertius).

Contributed by Ars-Aeterna / David Suter, Switzerland, Apr. 2010