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

A set of Two matching Antique Brass Keyhole Cover made in France in the 1900s.
I have not polished them.
The pieces measure each 5.4 cm by 3 cm approximately
or in inches 2 1/8 inches by 1 3/16 inches approximately.
Two tiny holes to secure to surface.