watercolor on paper 17¼ h × 21¼ w in (44 × 54 cm)
Signed, dated and inscribed to lower right 'No. 798 SD. 13'. Jean-Louis Delaunay and Richard Riss have confirmed the authenticity of this work.
provenance: Gimpel & Hanover Galerie, Zurich | Acquired from the previous in 1965 by Erna and Curt Burgauer, Zurich | Christie's, London, 30 April 1999, Lot 138 | Private Collection | Christie's, London, Impressionist and Modern Works on Paper, 28 February 2018, Lot 296 | Private Collection
exhibited: Sonia Delaunay, October 1965, Gimpel & Hanover Galerie, Zurich and February 1966, Gimpel Fils Gallery, London | Rétrospective Sonia Delaunay, December 1967 - January 1968, Musée National d'Art Moderne, Paris
literature: Rétrospective Sonia Delaunay, Musée National d'Art Moderne exhibition catalog, no. 46