Koinon of Epirus, AR drachm, 3.10 g. 

Jugate heads of Zeus and Hera right, EK monogram behind head.
APEI-RWTAN above and beneath thunderbolt, all within oak wreath. 

Franke, Epirus 320ff. 

Sold by Gorny & Mosch auction 233, Lot 1377, Oct 2015