Commodus AE dupondius, Rome, struck AD 185. 24 mm, 8.11 g. 

M COMM ANTON AVG PIVS BRIT, radiate head right.
VOT SVSC DEC P M TR P X IMP VII, Commodus, togate, standing left, sacrificing over tripod altar. 
S-C across fields. COS IIII P P in exergue

RIC 456; Vienna 65787; Cohen 987.

Image courtesy of the Münzkabinett Wien.