Commodus Sestertius, 22.43g; 31mm, 183-184 AD. Rome. 

Obv: M COMMODVS ANTONINVS AVG PIVS, laureate head right
Rev: TR P VIIII IMP VI COS IIII P P, S-C, Roma seated left, 
holding Victory and spear (point downwards), shield at her side.

RIC 411; Cohen 925; Sear 5823. 

With permission of Roma Numismatics, December, 2009