Noricum/Panonian Boii, Stater (silver coin replica) 1st century BC.
An Imitation or Roman Republican Denarius of Q. Fufius Kalenus and Mucius Cordus.
OBV: Jugate male heads right, the one in foreground laur., the other helmeted.
R: Horseman galloping r., BIATEC between two lines beneath.