Coin depicted roughly twice actual size*

As of Marcus Aurelius

Bronze as, 25mm, 10.26gm, issued AD 162/163. Rome mint.

Obv: IMP CAES M AVREL ANTONINVS AVG PM, Bare head facing right.

Rev: SALVTI AVGVSTOR TRP XVII (COS III in ex.), Salus standing holding snake coiled around altar.

References: Sear 5068, RIC 847.