Commodus Den "Mars" Commodus AD 177-192 Silver Denarius "Minor wars over
  = Mars bringer of peace" Obv: M COMM ANT P FEL AVG BRIT - Laureate head
     right Rev: MARTI PAC PM TR P XIIII COS V PP - Mars standing left,
  holding branch and spear. Rome mint AD 188-189 = RIC III, 175, page 385
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