Price reduced. Antique Glasses, Green Enamel Size (closed): Length: Approximately 14.3cm (excluding metal fittings) Magnifying glass diameter: Approximately 4.3cm Size (open): Width: Approximately 13.7cm Weight: 24.9g Country of manufacture: Unknown, possibly France Era: Late 19th century These are very beautiful enamel antique glasses. Originally intended as reading glasses, they are also said to have been used for viewing operas and other performances. They can be used as a magnifying glass when closed. (Note) To open and close, please press down on the knob in the middle of the handle. When doing so, please be careful to support the glasses with your hands to avoid damage.