In sales spanning this year and next, hundreds of works that once belonged to the SFMoMA trustee will be offered, including a box in a suitcase by Duchamp

The auctions will include a 1932 Picasso painting with a $120m estimate

Major auction houses have posted steep falls in turnover for the year so far—but some categories, such as luxury goods, are booming

Objects ranging from Japanese art to a plush red crown and cape drove bidders into a frenzy on New Bond Street

Bonhams is offering a Robert Colescott work in a single-lot sale, while Sotheby’s online fashion series includes Princess Diana’s famous black-sheep sweater

The British patron’s annual meetings on the Greek Island were a “who’s who of the contemporary art world”

Spoiler alert: lots of mounting takes place at Mount's

Paintings by Modigliani and Kusama among the 50 works to be offered in Hong Kong—with more potentially coming to the block in New York

The masses are being drawn in by the chance to see objects both fine and personal

An auction house spokesperson says Companies House figures do not represent full scope of business

Sotheby's, which is the new owner of the Madison Avenue building, “will proudly act as stewards” of Charles Simonds’s tiny installation

The auction house’s 2021 sale helped lend legitimacy to the line of cartoon apes, the plaintiffs claim, and was “misleading promotion”

The Canadian superstar revealed himself as the Crown Ring's new owner in an Instagram story

Klingender’s body was found in the sea after an apparent boating accident

As a show at the Monnaie de Paris explores how money and creativity have been intertwined since the early 19th century, Sotheby’s is set to move into the Whitney’s former home

The £39.4m auction was led by a 15th-century painting by the Master of the Baroncelli Portraits at £7.9m, while a new record was set for a work by William Hogarth—albeit sold to a single bid

The night's star lot made up nearly half of the £190.3m total for Sotheby's Modern and contemporary evening auction

The artist's spin painting of musician Pete Townshend will be sold for charity at Sotheby's

Lady with a Fan (1917) was last sold for $11.6m in 1994 and will be offered at Sotheby's in London on 27 June

Plus imposing heads by Giacometti

The auction house expects to move into the Madison Avenue building in 2025, vacating its current York Avenue headquarters

Specialists at Christie’s and Sotheby’s dismissed concerns about a decline in the Old Masters market

A double-header night of The Now and contemporary art auctions set ten new artist records, boosting confidence after a lacklustre Christie's sale of the Gerald Fineberg collection

The price for the Codex Sassoon surpassed the sum Bill Gates paid for a Leonardo da Vinci codex in 1994

The firm’s Modern art evening sale and single-owner Mo Ostin auction brought in a below-estimate hammer total of $363.9m, or $427m with fees

Demand for ultra contemporary works may have eased but there is little sign of a sales slump, say the New York firms

"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

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

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