Willy Müller-Brittnau - Concrete Art. Swiss Artist (Influenced by Max Bill and Josef Albers). Shipping with tracking number. - A similar painting sold for 3,891.00 euros in 2011! Exhibitions all over Switzerland 1965–1970: Galerie Bischofberger, Zurich (various exhibitions in Germany and Italy) 1965–2001: Galerie Riehentor, Basel (permanent representation) 1969: Kunstverein Kassel, Kassel 1969, 1971, 1974: Galerie Krebs, Bern 1969, 1973: Galerie Reckermann, Cologne 1973: Kunstgesellschaft Zug, Zug 1973: Museum of Fine Arts, Grenoble 1977: Galerie Pa Szepan, Gelsenkirchen 1977, 1983: Galerie Bossin, Berlin 1982: Kunsthaus Aarau, Aarau 1986, 1988, 1993, 1997: Galerie Elisabeth Staffelbach, Lenzburg 1990, 1996, 2003: Kunsthaus Zofingen, Zofingen 1997: Stadthaus Olten, Olten 1998: Galerie Fahlbusch, Mannheim 2002: Galerie GZ 8, Zurich and many more