Sonia Delaunay (Odessa 1885 - Paris 1979) "Projet pour l'album no. 1' Portugal 1916 wax crayons on paper 24x24 cm Provenance Christie's, 11-12-2003 Impressionist, Modern and Post-War Art Sale, lot 90 Blue Gallery, Milan Private collection, Milan This work is registered in the Archives with no. F.1006 This work is accompanied by a certificate of authenticity issued by Jean Louis Delaunay and Richard Riss, with no. SD 07 177 1006