Thyrrheion, Akarnania. AE18, civic issue ca. 300 3.97 g. 

Helmeted head of Athena left.
QYR(REWN), owl standing left, head facing, wings closed. torch in left field. 

Hoover HGC 926; BCD Akarnania 378.1.

With permission of Roma Numismatics auction 9, Lot 152, March 2015.