Optics Portrait Louise Danton Engraving After Boilly 18th C Old Print Etching

Optics (Portrait of Mrs. Louise Sébastienne Danton, born Gely, and the son of Danton's first mariage , Antoine Danton)
They are examining prints through an optical system.
Engraving by Jean-Frédéric Cazenave (1770 ?-1843 ?) after Louis-Léopold Boilly (1761-1845)
Printed after 1794
64.6 x 50.4 cm    25.43 x 19.84 inches  sheet
55.2 x 45.5 cm    21.73 x 17.91 inches  subject
A proof of this print is kept in the collections of the Geneva Art Museum, and in le Louvre and the French National Library in Paris.
RARE.
Good condition. This work has been restaured by a professional & accurate restaurer.
All our old prints and drawings are offered in good condition. When necessary, they have been restored by a professional restorer.