This is an ivory item. In the middle part, there is an indentation of irregular shape. It is made by chiselling and sampling of raw materials with a burin. Its diameter is 5-6 cm. The item is considered to be a single item (a cup or a storage tank).
the item is made of a kneecap of a large mammal (probably, a mammoth). It has an oval shape. On sides, on the inner area, and on the bottom, outside and inside, there are traces of scruffs. The sides of the cup are cut and smoothed.
On the bottom, on the inner and outer surface of edges, there are traces in the form of parallel lines. They are traces of working with a push-plane. On the convex parts of the item, there are traces of polishing with rougher material.
Inside the storage tank, there are traces of smoothing with soft organic material.
Outer diameter of the item - 91.14 mm
Width - 72 mm
Thickness of the sides - 11.76 - 7.30 mm
Depth of the notch - 22-23 mm
Outer diameter - 62.16 mm (diameter of the darker polished part)
Width - 42 mm
Depth - near 10 mm
Kamennyj vek YUzhnogo Priangar'ya. Bel'skij geoarheologicheskij rajon. – Irkutsk : Izd-vo IGU, 2001. – T. 2. – S. 46–84 (In Russian)
Lipnina E. A. Mal'tinskoe mestonahozhdenie verhnepaleoliticheskih kul'tur: Sovremennoe sostoyanie izuchennosti i perspektivy issledovaniya: dissertaciya na soiskanie uch. stepeni kandidata istoricheskih nauk: 07.00.06. – Irkutsk, 2002. – 310 s. (In Russian)