This is a tanned muskox hide.
There are only a limited number of tanned musk ox skins available for sale at any time. The skin is a long dense coat of coarse dark brown guard hairs over a paler underfur.
Chichester was the supplier for the muskox hides used in the movie 10,000 B.C.
Musk ox are not endangered. There are about 100,000 roaming around northern Canada. The musk ox are protected by a quota. Each year, hunters are allowed to hunt about 600 animals, but only take about 400 per year. Many of the animals are eaten and the hide is a by-product of a subsistence life style.
A USFWS export permit is required for all shipments outside the USA.