Yet secrecy over values remained a priority at the Art Kapital auction

Tate acquires edition of video shown at this year’s Venice Biennale

Russia’s Federal Cultural Heritage Protection Agency is set to publish the first volume of a catalogue of Russian paintings known to be fake

Was the price forced up at Sotheby's sale?

A growing number of mid-size European auction houses are trying to cash in on the Russian boom

This sales report demonstrates the intense interest in Russian late 19th-century classical paintings, early 20th-century modernist paintings, and Fabergé works

Oil-rich private collectors are dominating the salerooms and pushing aside dealers and investment funds

Viktor Vekselberg will establish galleries in St Petersburg and Moscow to display his own art as well as works belonging to other private collectors

Russian collector Pyotr Aven shows his hand

And Connecticut energy broker Andrew Hall buys Georg Baselitz’s collection of German art

Traces of Malevich's signature found on 1913 painting

Via many points in the US

Some of his most prized works are now on show in the New York Guggenheim exhibition “The Great Utopia: the Russian and Soviet Avant-garde 1915-32”

The show will proceed to to the Guggenheim despite confusion arising from a lack of transparent communication between Russian and US committee members