Leontinoi (Sicily), Tetradrachm (silver coin replica) circa 480 BC.
OBV: Slow quadriga driven r. by charioteer, who is crowned by Nike flying left above, in ex. lion running r.
R: ΛΕΟΝΤΙΝΟΝ, Laur. hd. of Apollo r., three bay leaves around, one of either side, the other above, beneath lion running r. Original worth c. £15,000

This (original) masterpiece of late archaic art is probably by the same hand as famous "Demareteion" coinage of Syracuse.