Authentic antique 19th-century Russian Orthodox brass traveling icon "The Mother

Authentic antique 19th-century Russian Orthodox brass traveling icon "The Mother of Good Joy of All Who Sorrows." The central figure is the Virgin Mary holding a warder in her right hand, with groups of people on either side. At the top is an image of Jesus Christ as the King of Kings.
MEASUREMENTS: 6.3 x 5.2 cm (2.48 x 2.05 inches)
CONDITION: in good condition considering its age, with a lovely old patina.
NOTE: Please note that the market is currently flooded with reproductions of Russian brass icons. These copies can often be indistinguishable from authentic antiques, confusing inexperienced collectors. We want to inform our clients that our antique icon is a genuine, authentic item and comes with a Certificate of Authenticity for verification purposes.
REFERENCES: Similar icons are in the following collections:
1. Smithsonian Museums in Washington, DC. (From the former "Kunz Collection). Published in the catalog "Russian Copper Icons and Crosses from the Kunz Collection: Castings of Faith" by Richard Eighme Ahlborn and Vera Beaver-Bricken Espinola.
2. Andrei Rublev Central Museum of Ancient Russian Culture and Arts. Published in the catalog "Crosses, Icons, Hinged Icons" by Gnutova, E. Ya. Zotova.