Commodus, AE As. Rome, AD 188-189. 

M COMM ANT P FELIX AVG BRIT, laureate head right.
PACI AETER P M TR P XIIII around, COS V PP below, S-C across fields, Pax, draped, seated left, holding branch and sceptre.

RIC 537; Cohen 395.

Image 1959.1019.6 courtesy of the British Museum.