Belgian entrepreneur in fashion, food and art, co-founded the Ullens Center for Contemporary Art, in Beijing, with her husband, Guy Ullens

"Transformational" signed 1660 copy of The Declaration of Breda leads mixed-category sale featuring manuscripts, royal portraits, medals and memorabilia

Looted by the Nazis, after the war it was returned to the Rothschild family

The collector, Stuart Pivar, claims he sold the 1977 portrait of himself to his lawyer for $100,000 because he needed cash quickly; he is now suing that lawyer for $10m

Questions resurface over New York museum’s rationale for consigning works by the artist to auction

The documenter of Britain’s quirks is this year’s Master of Photography

The report, published by recruitment firm Sophie Macpherson, used base salary data from 2022

More than 1,500 lots, including original lyrics and Victorian paintings, from the rockstar’s London home will be sold in September by former girlfriend and close friend Mary Austin

Angela Catherine Hamblin, who has been hiding out in a small village in Scotland for over a decade, is being extradited to the US

The painting is estimated to sell for around $45m next month at Sotheby's

Possible penalties for donors and heirs make the process of determining the value of artworks a high-wire act

The ten-foot-tall metal arachnid is being sold by a Brazilian foundation and could reset several auction records

Despite the fair’s more sedate, distinctly Southern pace, local and international dealers reported plenty of sales during the VIP preview

A new roadmap developed by US dealers offers a practical guide to improving sustainability

The museum spent $100,000 to bolster its collection thanks to funding from the Dallas Art Fair Foundation

'El Gran Espectaculo (The Nile)' and 'Now’s the Time' are estimated to sell for $45m at Christie’s and $30m at Sotheby’s, respectively

Nazem Ahmad, a Lebanese businessman who deals in art and diamonds, has allegedly been involved in moving goods worth more than $440m into and out of the US since sanctions were imposed in late 2019

The paintings and drawings are estimated to fetch more than $8m at Christie’s New York in May

Plus, dramatic scenes from the Iliad and a delicate Modigliani head

International dealers returned to 27th edition of the fair after two years marked by Covid

The institutions that won the fair's Northern Trust Purchase Prize selected artwork by artists Mohau Modisakeng, Wole Lagunju and Claudia Peña Salinas for their permanent collections

Plus, how Northern Ireland's museums are marking 25 years since the Good Friday Agreement and an extravagant portrait of a 19th century French actor

Collectors from the Midwest and beyond turned up for the fair’s VIP preview, as did the city’s next mayor and one of its most famous rappers

While auction houses and dealers are increasingly worried of a downturn, a look back to the 1970s and 1980s suggests that their anxieties might be unfounded

Kyiv-based Voloshyn Gallery is showing works by two emerging Ukrainian artists on its stand at Expo Chicago

Thanks in part to the support of a leading Latin American collector, three Buenos Aires galleries are Chicago-bound for Expo

Four works recently returned to heirs of the influential French dealer Ambroise Vollard will go under the hammer in New York next month

Results from the recent auction season, where young, “red-chip” artists surpassed expectations, while big names of Modern art went unsold, point to a shift in how collectors think

She will open the three-storey, 6,000 sq ft space with shows by Sheila Hicks and Robert Mapplethorpe

Tribeca has reached a critical mass of around 50 galleries