Perfume bottle - Metal

You’re right, the inscription "L'AIGLON BREVETÉ MADE FRANCE" and the mechanism (stem/pump inside the cap) confirm: it is an old handbag perfume spray, of the French brand L'Aiglon, patented (probably 1920s-1930s, Art Deco style).

Description
- Telescopic spray in silvered metal, fluted/striated body
- Frieze in Greek at the level of the joining ring
- Cap in the shape of a fluted dish concealing the pump mechanism (thin metal stem visible in your photo)
- Brand "L'Aiglon", inscription "Breveté", "Made France" engraved on the neck

Handbag item for women, very common in the interwar period: the body was filled with perfume, and the manual pump (operated by the cap) created the jet.
- The L'Aiglon brand is identified and sought after by collectors of Art Deco perfume sprays/handbag sets
it’s an antique handbag perfume spray, of the French brand L’Aiglon, patented (probably 1920s-1930s, Art Deco style).