Interesting ink-wash nude woman study by French painter Robert Cami (1900-1975). In between drawing and painting, the Lavis process consists of the use of a pigment diluted in the water, especially the ink, then applied with a brush.
The work obtained is generally monochrome, yellowish-brown, sepia, or gray. The washing allows indicating the relief of the model by distributing the shadows and the lights.
This drawing is on Vellum paper and signed on the bottom right corner. The painting is complimented with a black contemporary wood frame with a textured pattern and acrylic glass protection.
Measurements: 
About:
Robert Cami (1900-1975) was a painter, etcher, engraver of wood and copper, and illustrator.
From 1932-1942, he was a professor of engraving at the School of Fine Arts of Bordeaux. During these years, he made numerous wood and copper engravings. 
From 1942, he taught at the School of Fine Arts of Paris. He has several official functions: Member of the Academy of Arts, vice-president of the "Trait" and the committee of the French Illustrated Book, and chevalier of the Legion of Honor. Among other distinctions: price Florence Blumenthal in 1926, and the Grand Prix of the Fine Arts of Paris in 1957.
Inspired by the European engraving of the 15th Century and that of Japan, his main motives are nudes, landscapes, and city views. Among other activities, we can name his illustrations of books; Henry de Montherlant, "Encore un Instant de Bonheur" (Another Moment of Happiness), and "Othello" by Shakespeare and also projects of stamps and decoration of the bronze doors of the French Embassy in Ottawa, Canada.
Many Modern Art Museums in France and the Chicago Museum carry his works.