Yves Klein 1928 - 1962 Monochromer blauer Schwamm Schwamm mit blauem Pigment, 1961; B 6,3 cm, H 4,8 cm, T 5,2 cm; Provenienz: von der Einlieferin im Rahmen der Eröffnung der Ausstellung Yves Klein (Monochrome und Feuer, 14. Januar bis 26. Februar 1961) im Museum Haus Lange in Krefeld erworben; Mitteilung des R.U.K 14 rue Campagne-Première 75014 Paris - France + 33 9 50 63 23 49: In the state of our current knowledge and researches that we carried out, we are of the opinion that the work that you presented to us is a work by Yves Klein. It has been registered to the Yves Klein Archives under the number SE 314: Untitled Blue Sponge Sculpture, (SE 314) 1961 ca. Dry pigment and synthetic resin on natural sponge 6,3 x 4,8 x 5,2 cm An opinion on authenticity could be delivered further to the next owner's request. Yves Klein 1928 - 1962 Monochrome blue sponge Sponge with blue pigment, 1961; W 6.3 cm, H 4.8 cm, D 5.2 cm; Provenance: acquired by the consignor in the opening of the exhibition Yves Klein (Monochrome und Feuer, 14 January to 26 February 1961) in the Museum Haus Lange in Krefeld; Message of R.U.K 14 rue Campagne-Première 75014 Paris - France + 33 9 50 63 23 49: In the state of our current knowledge and researches that we carried out, we are of the opinion that the work that you presented to us is a work by Yves Klein. It has been registered to the Yves Klein Archives under the number SE 314: Untitled Blue Sponge Sculpture, (SE 314) 1961 ca. Dry pigment and synthetic resin on natural sponge 6,3 x 4,8 x 5,2 cm An opinion on authenticity could be delivered further to the next owner's request.