Commodus (177-192).     AE As, Rome mint, 184 AD.   Obv.    M COMMODVS ANTON AVG PIVS. Laureate head right.        Rev.   TR P VIIII IMP VI COS IIII P P SC. Minerva standing right, holding spear and resting right hand on shield.     RIC III 428.     11.86 g.   26.40 mm.          VF.