In his 11th year at TEFAF Maastricht. Ray Waterhouse showed, under a previous gallery name, works that span Impressionism and Post-Impressionism, European Modernism, American Modernism and Pop Art, including examples by Alexander Calder, Willem De Kooning, Auguste Herbin, Hans Hofmann, Henri Lebasque, Henri Le Sidaner, Max Liebermann, Henri Matisse, Andy Warhol and Tom Wesselmann. There was also a special focus on British Constructivist Art and the Systems Group, with works by Peter Lowe, Anthony Hill and Gillian Wise.