Philip II, AV Stater (gold coin replica) 359 - 336 BC.
OBV: Laureated head of Apollo right.
R: Galloping biga driven right by charioteer holding goad. ΦΙΛΛΙΠΠΟΥ in exergue.
Original worth c. Euro 5000.

It is most likely that the Stater refers to the Olympic Games where Philip's chariots were victorious.