Paul Klee (1879-1940), Befestigte Düne auf Baltrum 1923.262 , 1923, watercolour on paper, signed, dated and titled, 35.5x50.5 cm Certificate of authenticity signed by Dr. Josef Helfenstein and Dr. Michael Baumgartner of the Paul Klee Foundation, dated 18 November 1998. Provenance: Lily Klee, Bern, (1940-1945) Douglas Cooper, London/Argilliers/Monte-Carlo, (1945-1955) Galerie Berggruen, Paris, (1955-1956) The Hanover Gallery Ltd, London, (1956) Herbert Einstein, London, (1956) Lady Nika Hulton, London (1956-) Galerie Beyeler, Basel, (-1985) Hauswedell & Nolte sale, Hamburg, 07 June 1985, lot no. 824, ill. Private collection, Spain, (1985-1998) Christie's sale, London, 02 July 1998, lot no. 178, ill. Galerie Krugier, Geneva Swiss private collection, (from December 1998), then remained in the collection until today. Bibliography: Marcel Brion, Klee, Éditions Aimery Somogy, Paris, 1955, p. 26, ill. b/w, (wrong dimensions) Paul Klee 1879-1940, exhibition catalogue, The Hanover Gallery, London, 19 June-21 July 1956, no. 11, ill. Sadao Wada, Paul Klee and his travels, Nantenshi Gallery, Tokyo, 1979, p. 40, no. 92, ill. b/w Paul Klee Foundation/Kunstmuseum Bern, Josef Helfenstein and Christian Rümelin, Paul Klee, Catalogue Raisonné, vol. 4, Thames & Hudson, London, New York, 1998-2004, p. 149, no. 3356Exhibitions: Paul Klee 1879-1940, National Gallery, London, December 1945-February 1946, no. 73, non ill. Works by Paul Klee from the Collection of Mrs. Edward Hulton, The Tate Gallery, London, May-June 1955, City Art Gallery, York, August 1955, The Arts Club, Chicago, November-December 1956, no. 19 Paul Klee. 1879-1940, The Hanover Gallery, London, June-July 1956, no. 11, ill. Sammlung Sir Edward und Lady Hulton, London, Wuppertal Kunst-und Museumsverein, Wuppertal, Museum Boymans-van Beuningen, Rotterdam, Frankfurter Kunstverein, Frankfurt, Städtische Galerie im Lenbachhaus, Munich, Museum am Ostwall, Dortmund, 1964-1965, no. 80, not ill. Sammlung Sir Edward und Lady Hulton, London, Kunsthaus, Zurich, December 1967-January 1968, no. 82 Klee. Kunst ist ein Schöpfungsgleichnis, Galerie Beyeler, Basel, September-November 1973, no. 27 Klee. 74 works from 1908 to 1940, Galerie Karl Flinker, Paris, March-May 1974, no. 23 Paul Klee, Galerie Günther Franke, Munich, June-July 1975, no. 21