This is the first solo show of the British artist in a UK public gallery

Works include Picasso and Van Gogh, but many are yet to be authenticated

He recently added 20 works bought at Frieze NY to his 1,200-strong collection

Fears that the artist's installation would be associated with the fair led to intervention

After seeming to grow cool on his Chinese venture, the collector is now staging numerous shows and branching into Indian art

The ruling in long-standing legal battle may threaten defence that a purchase was made in good faith

Members will have opportunities to go on excursions to European art capitals

The authenticity of Jeune Fille aux Cheveux Noirs is questioned, but only by some experts

Public prosecutor Giuseppe Ferrando pursues fakes tied to JZ Art gallery

Nahmads say the contested painting belongs to another organisation

The space aims to celebrate cultural diversity in the Middle East

More than 50 artists included are part of Anupam Poddar's collection

Museum Schloss Moyland lose out again in appeals court

Fears it will affect the sfumato of the piece are growing

Al Masryeen Al Ahrar (The Free Egyptians) is led by the Coptic art collector

The space is based on a former warehouse and will exhibit works biannually from his own collection as well as from other private collections around the world

The body of the billionaire hotelier was discovered at his villa in Neuilly-sur-Seine

The gallery will feature a selection of his 2,000 plus collection

Collectors and dealers alike must prepare for questioning as art-money relationship comes under the microscope

Jonathan Zebina and Flavio Briatore deny knowing paintings may be forgeries

Specialists fear artist’s “smoky finish” effect may be harmed

The decision, backed by the Zurich's Giacometti Stiftung and the Berthoud family, has been appealed

Velázquez meets Bugs Bunny in George Condo’s first major retrospective on the South Bank

Some works will not be on display, lest the museum incur a €250,000 copyright fine

Tracing the Swiss fair's ascent from discreet elite beginnings in the 1970s to its current prestige as the international art world's hot ticket

Modern and contemporary works are on the way to Korea and Brazil

Leading British university research questions saleroom reporting

Tate Modern curator and leading artist head protests

Jean Pigozzi convinces artist Carsten Höller to mix and match the French collector’s art in 'JapanCongo'

Artists such as Tracey Emin, Paula Rego and Maggi Hambling have produced campaigning images