Marcus Aurelius, AE dupondius, AD 161-180. 26mm, 15 g. Rome. Struck AD 177.

M ANTONINVS AVG GERM SARM TRP XXXI, radiate head right.

IMP VIII COS III FELICITATI AVG P P around and in 
upper centre, SC below, galley rowed right by four oarsmen, 
Neptune, holding dolphin and trident, standing right in an arched cabin on bow.

RIC III 1199 corr (galley right, not left).

With permission of Solidus Numismatik auction 7, Lot 251, Nov. 2015.