Marcus Aurelius (161-180) AR Denarius (Silver, 2.71g, 17mm) Rome, 172-173.
Obv: M ANTONINVS AVG TR P XXVII, Laureate bust of Marcus Aurelius to right
Rev: IMP VI COS III, Roma seated left, holding Victory in her right hand and spear in her left; shield behind her.
Ref: RIC 259.