This is a nice Baccarat crystal champagne glass.
Louis XV pattern.
You will find this pattern in the 1907 and 1916 Baccarat's catalog.
It is possible to download these catalogs on our website: Documentation
Dimensions: Hight: 11 cm Diameter: 9,3 cm
Period: before 1936 because not signed.
PERFECT CONDITION
Here is a converter inches / cm to help you with the dimensions: