Commodus AE21 of Kyzikos, Mysia. AD 180-192. 

AY KAI M AYR KOMMODOC, laureate, draped and cuirassed bust right.
KYZIKH-NWN above and beneath calf walking right. 

BMC 244; Lindgren I, 232; SNG von Aulock 1275; SNG Cop 117; SNG France 743.

With permission of Numismatica Ars Classica - Auction 100, Lot 1211, May 2017