N. Butorin, Covered goblet Peter the Great.
N. Butorin, Covered goblet Peter the Great carved in fossil mammoth tusk, with high relief decoration. 1975, Height 26.5. The Russian Museum, Saint-Petersburg.
N. Butorin, Detail of a small box Researchers of the North.
N. Butorin, Detail of a small box Researchers of the North carved in fossil mammoth tusk, with openwork and relief decoration. 1968 Scientific-Research Institute of Art Industry, Moscow.
N. Butorin, Composition Hunting a Deer.
N. Butorin, Composition Hunting a Deer carved in cachalot tooth. 1968, Height 4, length base 5.5, Lomonosov Factory of Art Bone Carving, Kholmogory, Arkhangelsk Region.
N. Butorin, Detail of the vase In the Forest.
N. Butorin, Detail of the vase In the Forest carved in fossil mammoth tusk, with openwork and relief decoration. 1974, Arkhangelsk Regional Art Museum.