Commodus, as Caesar, AE Sestertius. 175 AD. 

Obv: L AVREL COMMODO CAES AVG FIL GERM SARM, draped bust right 
Rev: PRINC IVVENT S-C, Commodus standing left, holding branch & spear, 
 trophy to right.

From a Silenos Coins eBay auction, contributed by Bob Effler, May, 2004.