Celtic, Gaul, Namnetes, Stater 1st century BC, very rare

Celtic. Gaul. Namnetes (Area of Nantes). Stater, 1st century BC. Electrum 6.63 g.; 23.2 mm.
Obverse: Celticized head right, hair flowing behind; cross ornament at forehead; pearl strings flowing around //
Reverse: Stylized charioteer driving biga right, below, devolved figure right, with arms outstretched

Very rare. Good quality, wide flan. Extremely fine EF 40-45