Vintage Brass Ormolu Picture Art Nouveau Furniture fitting Made in France 1930s

A vintage Oval Brass Ormolu Picture Furniture fitting made in France.
Beautiful piece.
Four nail holes.
Measurements from outside is 36 cm by 14.7 cm or 14 1/8 inches by 5 7/8 inches.
No glass or nails with piece.
Found in France at an antique fair.
I saw a similar piece tacked to the middle of a door of a cupboard. The cupboard had only one door.