Orchomenos, Boeotia, ca 500-480 BC. AR Tritetartemorion or three-quarter obol, 8.5mm, 0.46 g. 

Three grain ears in a row, sprouting ends upward, ER retrograde below.
Horse running right. 

BCD Boiotia 217b var. (lettering). 

Rare. 

With permission of cngcoins.com, Jan 2015
Estimate: $100.