Auction introduction: This season’s Impressionist and Modern Art Day Sale features works on paper, paintings and sculpture by the leading artists of the late 19th and early 20th centuries. The sale is highlighted by significant artworks from a range of artistic movements such as Impressionism, German Expressionism and Modern sculpture. Sale highlights include exceptional works by Gustave Caillebotte, Alfred Sisley, Henri Matisse and Fernand Léger.