Pannonian Celts, Boii, Biatec, AR obol, mid to late  first century BC. 0.37 g. Karlstein type.

Bulged surface.
Extremely stylized horse left. 

Paulsen 620-628; Dembski 771ff.

With permission of H. D. Rauch GmbH auction 97, lot 3, April 2015.