Rythmes (Rhythms) - possibly a study or lithograph after the International Exhibition of 1937 murals
Work on paper, likely a gouache study or a fine art lithograph/pochoir • Sonia Delaunay (Ukrainian-French, 1885-1979)

Style & Movement
Orphism / Simultanism / Art Deco
Medium & Technique
Gouache on paper or high-quality lithograph with hand-coloring; employing simultaneous contrast and Orphic color blocking
Creation Period
Dated 1937 (visible in signature); may be a mid-20th-century release based on current framing
Dimensions & Format
Horizontal landscape format; estimated 40 x 100 cm excluding frame
Subject Description
A series of four sequential panels featuring concentric circles, rhythmic arcs, and stylized figures. The composition explores the intersection of geometric abstraction and modern life, specifically relating to her mural work for the 1937 Paris World’s Fair (Exposition Internationale des Arts et Techniques dans la Vie Moderne).
Condition & Value Assessment
Condition Assessment
Good; visible mild cockling of the paper support and possible fading of pigments due to UV exposure
Estimated Market Value
$15,000 - $35,000 (if original gouache study); $2,000 - $5,000 (if a signed limited edition lithograph)
Auction Estimate
$10,000 - $25,000
Provenance History
Signature and date 'Sonia Delaunay 1937' on the lower right margin. Likely former gallery stock or private collection; lacks exterior labels in current view.
Art Historical Significance
A quintessential example of 'Simultanéisme', reflecting Delaunay's belief that color creates the structure of the painting. This specific imagery is tied to her major 1937 commissions which bridge the gap between fine art and architectural decoration.
Notable Features
Features a clear, fluid signature typical of the artist's later authentication of earlier designs; the stepped height of the internal 'panels' mimics the architectural constraints of mural placements.
Condition Issues
Slight undulation of the paper; surface dust inside the frame; potential acidification of the mounting mat if not acid-free.
Conservation Recommendations
Professional remounting using reversible acid-free materials; replacement of glazing with UV-filtering museum glass to prevent further pigment degradation.