Assos, Troas, AE15, 4th-mid 3rd c BC. 

Helmeted head of Athena right; countermark: bucranium.
ASSI, griffin sitting left; spear-head below. 

SNG Copenhagen 230; Hunter 2; 

VF, dark brown patina. 

217, Lot: 100. Estimate $100.
Sold for $110.
with permission of cngcoins.com.