Commodus, Carrhae mint, Eclipse of 174 AD
This coin may have been minted to the eclpise of 174 AD in which the rebellion against Marcus Aurelius and his son Commodus was stopped. Commodus was given the victory title of Germanicus in 172 AD after the defeat of the Marcomanni in Austria. He was being groomed to rule with Marcus Aurelius and was given equal rule with him in 177 AD. Photo from Romae Aeternae Numismatics.