Vintage Reading hot Glasses With Metal Case

This is a very old pair of French silver plated reading glasses complete with a burnished copper case with locking hinged lid..
The case measures 125mm by 30mm by 12mm. The glasses measure 115mm across, the lenses being oval 35mm by 23mm. One arm of the glasses is slightly looser than the other but is firmly attached . The lenses hot are quite a strong prescription.
This is a beautiful rare collectors piece