"Small Double Portable Mirror For Curiosity Cabinet, Magnifying Mirror And Mercury Tin"
Interesting small portable mirror with double tain, one (rectangular) normal and the other (round), magnifying. It closes, and thus the two mirrors are protected in case of transport. Removable rear tab to fit on a table. Good used condition, to point out the tains are very oxidized, due to the age and their nature, to mercury. Period early 19th century. Diameter of the round magnifying mirror: 9 cm. 
Le Magazine de PROANTIC
TRÉSORS Magazine
Rivista Artiquariato