Antique French Cut Glass & Sterling Silver Opera Liquor or Whisky Flask Bottle

Description

Offered here for your consideration is a very fine antique French In cut glass and sterling silver with a removable cup, twist-top cover.
The lead decorated with crown .
For French sterling silver Mark we have the Minerva number 1 the beat quality silver 950/1000
Made by the French silversmith BP but I can’t recognize this one
Glass no break no cracks
DIMENSIONS
Height: 14.5 cm or 5”4/8
Diameter: 2.5 cm or 1”