Antique French Sterling Silver Spiral Fluted Cut Glass Flask

Antique French sterling silver and cut glass opera 'spirits' flask. Featuring a silver lid, collar and removable drinking cup attached at the base. A bit of leather or cork lining the interior of the lid. The silver mounts patterned with Louis XV/Rococo style rocailles and spiral fluting. The motif adorning the silver mounts plays compliment to the cut glass body decorated in exquisite wheel cut spiral fluting. Hallmarked with the French Minerve 1st standard mark used from 1838 to 1919, which depicts the goddess Minerva with a number 1 beside her to denote a silver content of 950/1000 (of 95% pure silver and a higher finesse than .925 sterling). Maker's mark appears to be that of Parisian silversmiths Bourgeois veuve & Prunin active from 1896 to 1913 at 17 rue du Pont-aux-Choux in Paris. Flask measures 5 5/8" length. Retains a glass stopper. In overall good condition for age and type with general wear and some surface scratches from use and handling. The cut glass body is in over