Olbia, AE8, 1.07 gr. ca 350-330 BC. 

Laureate head of Apollo right.
OLBIO beneath dolphin swimming right, barley corn at top left. 

SNG BM Black Sea 418. 
Good VF, green patina. 

CNG 173, Lot: 8. Estimate $75.
Sold for $82. 
Re-used with permission of CNG, cngcoins.com.