Marcus Aurelius CE 161-180

AE Dupondius, 13.33 g., Rome CE 169-170
O: M ANTONINVS AVG TRP XXIIII, radiate bust r.
R: FORT RED COS III SC
Fortuna std. Left

Reverse refers to vows made for Aurelius’ safe return before setting out on his German campaign.

Ex: Silenos