A set of Three small matching Antique Brass Keyhole Cover made in France in the 1900s

A set of three small matching Antique Brass Keyhole Cover made in France in the 1900s.
I have not polished them.
The pieces measure each 4 cm by 3 cm approximately
or in inches 1 1/2 inches by 1 3/16 inches approximately.
Two tiny holes to secure to surface.
Nice casting.
Very old.