This is a superb antique theater glasses.
Made of mother of pearl and engraved gilt brass.
French King Louis Philippe period.
It is engraved:
"L'Ing. Chevallier Breveté du Roi
Vis-à-vis le Marché aux Fleurs à Paris"
(Chevallier ingénieur opticien in Paris circa 1830)
Length: from 3 cm untill 8,5 cm.
Diameter: 4,3 cm
Weight: 98 grammes, a bit heavy in hands.
Period: 1830 - 1840
Good condition, good working order even if it is a bit hard to open and close.
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