Epeiros, Ambrakia. Circa 360-338 BC. AR Stater (8.35 gm). 

Pegasos with curled wing walking right, A below.
Helmeted head of Athena left; behind, facing head of Archelous. 

Pegasi II pg. 463, 88 (same dies); Ravel 137a.

Used by permission of CNG, as www.historicalcoins.com, CNG item no 8674. auction 39, lot 64417, Oct. 2001.