Fresh material from big collections led the $399m New York auction, while mid-tier Monets primed the market for his $55m haystacks work at Sotheby's tonight

Owned by a British collector for almost 70 years, the work showing Charing Cross Bridge has gone abroad

£63m auction total is half that of last year, but bidding from Asia and Russia helps make new record for Oskar Schlemmer and a Venetian view by Monet

Monet carries Christie's evening sale while a Magritte shines at Sotheby's, marking an auction record for the Surrealist painter

The 20-lot sale spans the auction house's New York and London locations and includes works ranging from Old Master paintings to a Monet

Exhibition in Paris attempts to draw connections between the Impressionist and Pollock, Rothko and friends—with mixed results

A “purr-fect” ending to the story of the missing pottery object found in the collection of the artist’s secret granddaughter

Painting is “one of the most important” by the Impressionist artist to be sold in London in the past 20 years

Evening auction featuring the family's most valuable works set new records for Monet and Matisse

Show tells the stories behind seven great works that have disappeared and the creation of new digital facsimiles

Monet takes on the city at the National Gallery and it is the final week of the once-in-a-lifetime Charles I show at the Royal Academy

National Gallery exhibition, which includes Rouen cathedral paintings, reveals another side of French Impressionist

New York sale results boosted by strong Asian and Russian buying, and shored up by guarantees

Organisers hope two shows will lead to restitution claims from victims of Nazi persecution