Marcus Aurelius. A.D. 161-180. AR denarius. 3.31 gm. 18 mm. Rome mint. Struck A.D. 178-179. His laureate head right; M ANTONINVS AVG TR P XXVI / Mars standing right, helmeted, holding spear and resting hand on shield; IMP VI COS III. RIC III 262. RSC 291. Near Extremely Fine; light lustrous toning; good metal.