Argos Amphilochikon, Acarnania, AE15, ca 350-250 BC. 3.0 g. 

Head of Athena right, wearing crested Attic helmet.
ARGEIWN, Owl standing right, head facing, barley corn in right field.

Imhoof Acarnania 57; BCD Akarnania 158 (this coin). 
Rare.

With permission of Münzen & Medaillen Deutschland GmbH, Oct. 2007.
Estimate 75 Euros.