Aurelian, AE antoninianus. Cyzicus. AD 270-275. 21 mm, 3.33 g. 

IMP AVRELIANVS AVG, radiate, cuirassed bust right, dot below.
P M TR P P P COS, Neptune standing left, foot on prow, holding dolphin and trident. 

RIC V-I, 324; Cohen 175.

With permission of Leu Numismatik Web Auction 10, Lot 1474, Dec. 2019.