Marie Laurencin (1883-1956) The Blue Angel. 1931. Two brass instruments engraved respectively with etching (for the line) and roulette (for the colour). 240 x 300. Marchesseau 168. Bevelled, corners rounded, steel, varnished. Small scratches on the surface. Seal: 10 proofs of decomposition of the states (from the 1st to the 5th) on various papers, justified and signed in pencil. Slight trace of oxidation at the edges of the sheet to the last one. All margins. Dry stamp : H. Petiet éditeur Paris (Lugt 2021a).