Commodus (177-192) AR Denarius (Silver, 2.42g, 18mm) Rome, 181-182.
Obv: M COMMODVS ANTONINVS AVG, laureate head right
Rev: LIB AVG TR P VII IMP IIII COS III P P, Libertas standing left, holding abacus and cornucopiae.
Ref: RIC 36; BMCRE 70; RSC 311.