A 1930s painting by Piet Mondrian sold for $51 million at an auction in New York. The piece last sold in 1983 for $2.15 million, which is equivalent to $6.4 million (£5.4 million) in today's money. The head of impressionist and modern art at Sotheby's, where the painting was auctioned, described the purchase as "a once-in-a-generation occurrence".

British urban artist Banksy has confirmed that he has created seven murals in various locations across Ukraine, including the capital Kyiv, the suburb of Irpin and the town of Borodyanka – among the places hardest hit by Russian bombing.Speculation rose that the unnamed artist was in the war-torn country after three works were seen last week. Learn more here.

The gaffe was only discovered this year by curator Susanne Meyer-Büser while planning “Mondrian. Evolution”, a new exhibition dedicated to the modernist at Kunstsammlung Nordrhein-Westfalen K20 in Düsseldorf, Germany. The work entered the museum's collection in 1980.SSausanne Meyer-Büser declared at the press conference that she only discovered this error when she was researching more about the work's past and found a photograph of it in the artist's studio from 1944. Find out more here.

On the 2nd of November at 9.30 pm, the cultural platform Underdogs will premiere The World as a Whole, its first documentary film, in the Manoel de Oliveira room of the mythical Cinema São Jorge in Lisbon. As part of the French Cinema Festival programme, this short film, directed by Ana Pires, takes us behind the scenes of (Sem) Fronteiras, a project by Underdogs, developed as part of the Portugal – France 2022 season, which challenged four artists Portuguese and four French artists converging to create public art interventions in four twin cities between Portugal and France. about the project...