Atarneus, Mysia. AE16 mm, civic issue, ca 400 BC. 4.51 g. 

Laureate head of Apollo right.
ATAR beneath forepart of horse right, serpent above. BA monogram (B retrograde) in right field.

Fritze Mysien 329; Stauber Adramytteion 15; Traité II-2, 2513b; SNG Cop 22-23; Paris 103; Mionnet II 68; SNG Turkey 9, 404.

Image courtesy of the Özkan Arikantürk Collection.