Marcus Aurelius. A.D. 161-180. AR denarius (18.19 mm, 2.78 g, 6 h). Rome mint, Struck A.D. 166-169. M ANTONINVS AVG ARM PARTH MAX, laureate head of Marcus Aurelius right / FORT RED TR P XXIII IMP V // COS III, Fortuna seated left holding rudder and cornucopiae // COS III. RIC II 205; RSC 209; . VF, lightly toned, slightly skimpy flan crowds obverse legend.