Likely brought some 6,000 kilometres by ancient traders seeking walrus tusks, hunting birds and fur.
Ancient hunters butchered woolly mammoths at Taba-Yuryakh site some 26,000 years ago.
Over 300 years old, the 'jetons' - used in lieu of coins or for counting - were found along with artifacts hoarded by the Northern Selkups.
The unique artifact was made by humans more than 19,000 years ago.
Valuable obsidian travelled during Early Holocene times from Lake Krasnoe in Chukotka to Zhokhov Island deep in the Arctic.
Young boy was laid to rest all alone with two iron knives, his feet trampling on reindeer bones, wearing elaborate headdress decorated with iron rings.
Unique crouched burials for this period - comprising seriously ill quartet - presents archeologists with a puzzle.
Unique Paleolithic prize for scientists, a jaw of an early human who 'feasted on woolly mammoth' - but may have been cannibalised.
The find, as old as Christ, is the latest treasure from the sacred and mysterious site of Ust-Polui in Salekhard, say experts.