Aurelian plated antoninianus. Cyzicus. 

IMP AVRELIANVS AVG, radiate, cuirassed bust right.
GENIVS EXERCITI, Genius standing left, holding patera and cornucopiae, standard behind him. 

No mintmark. 

RIC V-1, 345 Cyzicus.

With permission of Artemide Auktion 6, lot 478, Jan. 2019.