Commodus, AR denarius, struck under Marcus Aurelius. 178 AD. 3.23 gr. 

L AVREL COMMODVS AVG, laureate head right / 
TR P IIII IMP II COS II P P, Salus seated left, feeding 
serpent arising from altar. 

BMC 794; RSC 767a; RIC 658[aurelius] var (rev legend
with ...COS PP only); Sear 5702 var (tribunal year)

With permission of TimeLine Originals (www.time-lines.co.uk), March, 2013