Marcus Aurelius. Denarius; Marcus Aurelius; 161-180 AD, Rome, 170 AD, Denarius, 3.18g. BM-525, C-546, RIC-222. Obv: M ANTONINVS AVG - TR P XXIIII Head laureate r. Rx: SALVTI - AVG COS III Salus standing l., extending patera to snake rising from altar, and holding scepter.Reverse struck with worn die. EF