This is a professionally stabilised piece of Siberian woolly mammoth bark (Mammuthus primigenius). One cross-cut section is thinner and narrower than the other. Reserves on both ends. One side was cut at an angle - please carefully look at the pictures for precise dimensions. The colour of the bark is beige.
Geological epoch: Pleistocene.
Age: Over 10,000 years.
Origin: Sakha Republic (Yakutia).