Thyrrheium, Acarnania. Ca. 350-250 BC. AR stater 20.51mm, 8.35 g. 

Pegasus flying left; QY below.
Helmeted head of Athena left in Corinthian helmet, L and earring with pendents behind head, Y below.

Imhoof Akarnanien 10; Cammann 40c; Calciati, - (10 var with Q only on obv.); BMC 10 var (ditto).

With exclusive permission of TimeLine Auctions (www.timelineauctions.com), Sep, 2015