More than 100 objects once belonging to the Tunisian politician Habib Djellouli, including an ancient Quran, are at the centre of the controversy

Vincent describes his artist friend as having the “instincts of a wild beast”

The Germans believed Enigma was uncrackable; cryptographers at Bletchley Park broke the code, contributing to the Allies’ victory

Coinciding with the auction house's New York sale room re-opening in June, the sale marks the first time female artists will comprise over two-thirds of the value of an evening auction

Artcurial, the first auction house to reopen, doubled its sale estimate as lockdown seems to have "sharpened" buyers' appetite

Plus, Rebecca Salter on Léon Spilliaert. Produced in association with Christie's

Hybrid sale of 20th century art and design will take place over four live-streamed sessions in Hong Kong, Paris, London and New York

Ahead of his sale at Sotheby's this month, the London art dealer talks about the obsessive pursuit of knowledge and why he is not interested in contemporary art

The coronavirus lockdown is boosting lower level virtual sales, but only a major live auction will kick-start the top end of the art market and revalidate prices

Neumeister in Munich will today host a live auction for a maximum audience of 20

Move prompts fears that works from national museum collections could be sold off too

In the era of social distancing, auctioneers may have to conduct sales to an empty room

The auction house will donate all proceeds from a forthcoming online sale to the New York-based Robin Hood Foundation

Paris-based auction house Piasa hosted online sale of 370 works donated by artists, designers and galleries

Plus, Sean Scully talks about his favourite "lonely work", The Moroccans by Matisse in New York's Museum of Modern Art. Produced in association with Christie's

Christie's is also making salary cuts and has furloughed between 300-400 staff as lockdown closes auction houses and forces sales online

Move is in line with Christie's and Phillips which postponed their sales to late June, but Sotheby's is yet to announce when its auctions will actually happen

Expanded 20th-century art week in US will swallow up London auctions; Sotheby's has yet to make a decision about its New York spring sales

Auction house has closed New York saleroom along with other offices—Sotheby's follows suit while Phillips has postponed all events and sales until mid-May

The firm is also rolling its London June sales into one week for the first time in more than a decade

Our pick of highlights from the next week's auctions and fairs

The Bushfire Relief Auction in Melbourne has been organised by the collectors Sandra Powell and Andrew King and prices start at £200

Auction results this week are expected to be down by almost a quarter signalling a "low tide" in London

Brexit casts a shadow over consignments in London, but young American female painters add some pizazz

Auction house fields a steady contemporary evening sale in London

Former jewellery specialist, who joined the firm in 1988, will be replaced by Bruno Vinciguerra, who will also continue in his role as executive chairman

Our pick of highlights from the next fortnight's fairs and auctions

Impressionist, Modern and Surrealist art auction last night made £106.8m, 35% down on last year—but with three works sold for over £10m

“No fireworks” at last night's Impressionist, Modern and Surrealist art auction that featured three restituted works