Signed lithograph on plate (ref. Mourlot, Sorlier, 409). 'Le Ciel bleu, Paris, beautiful and significant Artwork by the painter, currently difficult to find in a lithographic edition. On this occasion, published in 1998, with the following accreditation on the back: “Marc Chagall. Le Ciel bleu, Paris. Blauer Himmel, Juni1 964. Farblithographie [German equivalent of Color Lithography], 77x 56.8 cm [refers to the measurements of the original]. The Sorlier 409 collection. VG Bild-Klunst Bonn 1998" Signed in plate in the lower right part, and in the lower left part, also in plate, numbered: 'H. C Epreuve de collaborateur’. Also with a dedication, at the bottom right: 'Pour Charles. M. Ch. Total measurements: 60 x 42 cm. On quality, semi-matte white paper; The Artwork is on a very slightly creamy white color, with a white margin of 3 cm at the top, 4 cm. at the bottom, and 1 cm. on each side. In excellent condition. Chagall lived the artistic effervescence of the Paris of Picasso, Blaise Cendrars and other relevant artists of the late 19th century and much of the first half of the 20th, participating with his unclassifiable style and talent, and his extraordinary use of color.