"Jewelry Box Made Of Mammoth Bone - Walrus. (russia)."
Small wooden box covered with engraved and polychromed bone plates. These boxes are traditionally made of mammoth or walrus bone. Typical work of the Kholmogory school in the Arklangelsh region (northern Russia). Good general condition. Some alterations to the plates. Period late 19th century. 
Le Magazine de PROANTIC
TRÉSORS Magazine
Rivista Artiquariato