Marcus Aurelius (161-180). AR Denarius, 163-164 AD. Obv. ANTONINVS AVG ARMENIACVS. Laureate head right. Rev. PM TR P XVIII IMP II COS III. Mars standing right, holding reversed spear and resting on shield. RIC 92. C. 469. AR. g. 3.42 mm. 19.00 Great metal. Brilliant and superb. About FDC/EF.