Pannonian Celts, Boii, Biatec, AR hexadrachm, mid to late first century BC. 17.05 g. 

Jugate heads of Honos, laureate and Virtus, helmeted, right, ivy leaf to right.
BIATEC beneath rider, holding branch, on a hippogriff 
galloping right, ivy leaf in right field. 

Dembski 597; Goebl, Gross-Boier II/1.

With permission of H. D. Rauch GmbH auction 101, lot 1205, April 2016.