Commodus, Rome mint, 178 AD.,
Æ Sestertius (26-28 mm / 18,58 g),
Obv.: L AVREL COMM - ODVS AVG TR P III , laureate head of Commodus right.
Rev.: [VOTA PVBLICA IMP] II CO[S P P] / S C , Commodus standing left sacrificing over tripod, to left victimarius about to kill a bull.
RIC III 341, 1594 (M.Aurelius) ; Coh. 979 ; BMC 1688 .
The coin refers to the vows undertaken for the safe return of the Emperor from the German campaign of AD 178.