Apollonia Pontika, Thrace. AE19 civic issue. ca 255-245 BC. 5.38 g. 

Apollo seated left on omphalos, holding bow in right hand. Countermark: sun.
NAYKYDHS, Upright anchor, A to left, crayfish to right. 

SNG BMC Black Sea 189; BMC Mysia 17; Hoover HGC 1337; CNT 6326. 
EX William Stancomb Collection (not in SNG Stancomb).

With permission of Helios Numismatik, auction 7, lot 236, Dec. 2011.