The billionaire's collection features Frida Kahlo, Francis Bacon and Dan Flavin, among others

Marvin and Elayne Mordes continue South Florida trend

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

Claims that four pieces have been damaged

Loans to Palazzo Venezia and talks for new contemporary arts centre

The project may span several episodes, following collectors of all types

The settlement terms remain confidential

Russian collector Pyotr Aven shows his hand

Arario Beijing claims to be “the world’s largest gallery”

Many who buy paintings and sculpture are now starting to invest in contemporary decorative arts

14 preparatory sketches of members of the royal family

Billionaire François Pinault bought Chen Zhen and Pistoletto

The works form part of a collection gifted to the museum by real estate developer Edward R. Broida

While Chinese sustain the middle market for rare but flashy cinnabar, rhinoceros horn and cloisonné

Visitors are confused and staff suggest that museum is neglecting its artistic mission

Saatchi and Branson among first to race round fair

For the collector who has everything

The difference in experiences offered by each of these iconic fairs, and the symbiosis this leads to

He is Paul Ruddock, investment management CEO and V&A trustee

Collector sues family trust which had withdrawn the artist’s belongings from sale

American buyers have returned and Asian collectors were also active

The piece was used for a stage performance in the Arsenale

Bringing a little Miami to San Juan

And many of them are huge art collectors

Sheikh Saud Al-Thani is being investigated for alleged misuse of public funds

Businessman, artist, collector—and dealer?

He was promised preferential treatment (and paid for it) but was then left out of almost all sales

Exhibitions, lectures and auctions span the centuries and the continents