Celtic Rhineland, AR quinarius. 1st Century BC. 1.71 g. 

Dancing man right, head left, holding torque and serpent..
Celtic horse right with head turned back, wavy border.

De la Tour 9396; Dembski 394; BMC Celtics 525.

With permission of Leu Numismatik AG auction 83, Lot 486, May 2002.