Kyzikos, Mysia. AE13 civic issue. 2nd-1st centuries BC. 2.3 g. 

Bull's head right. 
KY-ZI within wreath, RDI monogram in centre. 

BMC 154

With permission of Savoca Numismatik GmbH & Co. KG - Auction 13, Lot 168, March 2017.