Stolen in Stalin era, it was found in an FSB secret service operation as it was prepared for black market sale.
Leading jeweller Alexey Baburov honoured by Hermitage Museum in St Petersburg.
Pictured: the gleaming riches no-one was meant to see belonging to an ancient nomad potentate, and his queen...or was she his concubine?
Remains of the child suggest an 'unknown European invasion of Siberia deep in ancient times'.
The ancient mummy of a mysterious young woman, known as the Ukok Princess, is finally returning home to the Altai Republic this month.
Thanks to Novosibirsk scientists we can see how she looked in real life, the vivid colours she wore and her stylish headdress. And her beauty secrets!
Eminent Siberian archeologist Professor Mikhail Shunkov challenges Western claims casting doubt on this being the work of ancient Denisovans.