Kyzikos, Mysia, AE18, semi-autonomous issue, AD 211-253. 4.99 g.

KORH, draped bust of Kore right, wreathed with corn. 
KYZIKHNWN NEOKO, coiled serpent with head right. 

von Fritze 49; SNG Stockholm 2029. 

With permission of Numismatik Naumann auction 80, Lot 334, Aug 2019