Ambracia, Epeiros, 360-338 BC. AR Stater 20mm, 8.13 g. 

Pegasos flying right; AM below.
Helmeted head of Athena left; upright grain ear behind. 

Pegasi 128/2 (same obverse die). 

with permission of cngcoins.com, Aug 2011.
Estimate $200.