Sonia DELAUNAY (1885-1979) Rythme couleurs n°1623, 1969 Gouache and graphite, signed and dated lower right and numbered f1623 lower center. H. 47.5 cm - L. 36.8 cm (view) We would like to thank Mr. Richard Riss for confirming the authenticity of this work and its listing in the artist's archives. A certificate of authenticity can be issued by Messrs. Riss and Delaunay, at the purchaser's expense.

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