Take a gander at the size of this one.

The manufacturer was JOST Paris (1950s)

Description of this type series in their catalog:

Série spéciale partant sur les deux faces:

- Le nom du Cercle au casino.
(Casino Municipal Cannes)

- La valeur in lettres.
(Mille Francs)

- Un gros numéro de série gravé au centre.
(1557)

Pretty easy, right? Especially when you know what
the heck they're talking about (illustrations
help, too).*g*

Anyway, the N.F.-10 below the serial number says
that the value was decreased during the French
Monetary Reform Act of the early-60s, when every
100 French francs became one New Franc (NF).

JB