Marcus Aurelius, AE dupondius, AD 170-171, Rome. 11.9 g.

IMP M ANTONINVS AVG TR P XXV, radiate head right.
FIDES EXERCITVVM around, COS III below, S-C across fields, Fides standing left, holding Victory and a standard. 

RIC 999; BMCRE 1406; Cohen 200.

With permission of Fritz Rudolf Künker GmbH auction 304, Lot 1192, March 2018.