A painting by Ernst Klimt that was completed by his much more famous brother Gustav after Ernst’s sudden death is due to be offered at auction at Sotheby’s evening sale on 4 December in London.

It’s not too late to enjoy some lake weather in Cleveland, where the ice cream is fabulous and there’s never any shortage of art to see — let our critic tell you where.

In the final weeks of May 1871, French president Adolphe Thiers ordered soldiers to lay waste to the Paris Commune, resulting in massacres across the city. It is impossible to look at French art in ...