These were sketches for paintings which were never completed - or are lost

The auction, scheduled for 11 June, will bring together 93 works including rare Bengali pieces

The news follows his sudden departure as president of the Pinault Collection

Henry S. McNeil Jr.’s collection, led by a major Judd "stack" sculpture, is expected to exceed $30m at Christie's this spring

Following the success of the Aga Khan sale in October, works from the collection of Seattle-based Mary and Cheney Cowles will be sold in London in April

The evening brought in £197m, a 52% increase on last year's equivalent auctions

The week's sales also saw a near-record for a Canaletto painting and a seven-figure result for a 15th-century Hebrew illuminated manuscript

The lavish Ca’ Dario is in “good shape” after major restoration and careful tidying, though it comes with a dark reputation

The works are included in an upcoming Christie's sale marking the 250th anniversary of US independence

The draw is due to take place at Christie's Paris next April

It is estimated to fetch more than double the category's existing record for a collection at auction

Tariffs and new anti-trafficking rules took their toll in the US and Europe this year, as attention and investment shifted to the Middle East

Projected revenue at both auction houses is up from 2024, at $7bn for Sotheby's and $6.2bn at Christie's, with high-profile transactions increasingly taking place behind closed doors

The newly attributed, five-inch-tall sketch of a foot has an estimate of $1.5m to $2m

A court has suspended the export license of the 17th-century arithmetic device designed by Blaise Pascal, the last such example in private hands

Led by a Christopher Wool painting that made $19.8m, the evening included 19 lots from the Chicago collectors Gale Neeson and Stefan Edlis

The house's total is up 42% from last year's equivalent sale, and it set new auction records for Leonor Fini and Beauford Delaney

Estimates are up by more than 40% over last year’s November sales, driven in large part by Sotheby’s consignments

Peter Doig’s ‘Ski Jacket’ soared over its estimate to achieve £106.9m at Christie’s, but overall lower estimates and price corrections revealed a mixed picture

An early example of Calder’s most famous creations, the work carries a record estimate of $15m to $20m

Sotheby's and Phillips's Hong Kong sales were also down from their 2024 equivalents

Coming from the same private collection, the works span three decades of Freud's career

The Kawamura Memorial DIC Museum of Art will sell off its treasures this autumn at Christie’s in New York

A thrilling Dior debut in Paris for new creative director Jonathan Anderson, an earthy, wood-themed jewellery collection at Christie’s London by Natasha Wightman, a must-see doll’s house at the Rijksmuseum and shoe king Manolo Blahnik sponsors a V&A exhibition about Marie Antoinette

The collection of 95 works, built with his wife Princess Catherine, will be auctioned in London on 28 October

Wynn, who died in April, owned trophy works by Lucian Freud, Richard Diebenkorn, Joan Mitchell and others

With the NFT market still a fraction of its recent heights, the auction house has reportedly let go of key staffers

The Weis family's private trove of masterworks has emerged at last

We look back at the blockbuster, with intriguing and little-known stories behind many of the loans

Videos on TikTok and Instagram promoting everything from a Marie Antoinette diamond to Marlene Dumas’s paintings have garnered thousands of views