The collectors are seeking more than $300,000 in damages after the painting failed to be authenticated before heading to auction last year

A Dutch double portrait from Frank Stella's collection led the New York auctions by fetching $10m

Our pick of highlights from upcoming auctions

Two works from the private collection of renowned New York dealer Herman Schickman hit the auction block today after being loaned and lost from the Met's collection

The curator’s attribution to the Renaissance master helped Christie’s achieve a world record price for the painting

Settlement came day before trial was due to start, but its suit against financier will continue

The acquisition will make public 4,000 international auction house sale records

Buyers have faith in Tracey Emin who leads the white glove, YBA-heavy sale, but Damien Hirst’s market continues to soften

We go to the sale of the late singer's collection at Christie's and speak to London-based artist Shezad Dawood about his new VR

Overall results are down 42.7% on last year, but European buying remains strong despite Brexit

Impressionist, Modern and Surrealist art auction makes second highest total for Christie's London at £165.4m, but much of overpriced collection goes unsold

Brexit not a factor in dip in auctions in Europe and the Middle East, says auction house's Emeri president Dirk Boll

Our highlights of works being sold over the next fortnight

Sales lag while demand for folk art is on the rise as Millennials move away from a ‘Home Alone’ aesthetic

New York’s Outsider Art Fair swells in size as it looks to align itself with larger contemporary art fairs

The renowned gallerist says he will sell ten works to fund his retirement

Supreme court victory in France allows the auction house to shift the responsibility for resale royalties from sellers to buyers of works of art

Loic Gouzer to leave Christie’s as the auction house restructures in the wake of Francis Outred's departure, while Phillips upgrades its New York headquarters

The AI work that was sold at Christie's is profound in its conservatism, but others reflect how the technology can impact on art in fascinating ways

David Hockney was latest white male artist to set a record this year

Christie's and Sotheby's sell near identical Van Dyck portraits of Princess Mary, and new records are set for Frans Hals and a jolly Judith Leyster

Christie’s, more discreetly, entitles it “Portrait de femme”

Hockney made the headlines, but other artists made waves—or flopped—at November’s auctions

Auction house is yet to announce a successor, while Outred says he is taking time out to consider offers

Our picks from this week's fairs and auctions around the globe

The Yorkshireman's 1970s Californian scene, Portrait of an Artist, sold on the nose at $80m at Christie's in New York last night

We talk to David Hockney about Portrait of an Artist (Pool with Two Figures), which broke an auction record this week, selling at Christie's New York for $90.3m with fees. Produced in association with Bonhams, auctioneers since 1793.

A double pool portrait, estimated at $80m and offered at Christie’s with no reserve, could set a record for the most expensive work by a living artist

At $317.8m, the Ebsworth evening sale becomes one of the top five most valuable collections ever sold at auction