The Franc à Cheval created in 1360, the first French franc. The obverse and the reverse of the Franc à Cheval represent two branches of this quatrefoil. At the center we can see the French army around Jean II during the Poitiers battle in 1356.
Reverse script
Latin
Reverse lettering
BATAILLE DE POITIERS 1356
50
EURO
Edge
Plain
Mint
Monnaie de Paris, Paris (and Pessac starting 1973), France (864-date)