I'll be happy to answer any question: feel free to ask.
This is a lovely antique collectable glass.
Napoleon III period, circa 1850.
One silver leaf, delicately engraved, is applied between 2 coasts of glas.
Dimensions:
Hight: 14 cm
Diameter: 8,5 cm
Period: 1850 - 1870
PERFECT CONDITION. MUSEUM PIECE, VERY RARE !!
Here is a converter inches / cm to help you with the dimensions: