Chagall, Marc (Russian-French, 1887-1985). Two incomplete editions of Derriere le Miroir. (1) Derriere le Miroir. No. 99-100. July-August 1957. Original color lithograph wrappers, two lithographs in colors (1 double-page) and two black and white lithographs [Missing "The Concert" double-page lithograph in colors but includes "The Accordeonist"]. Lithographs printed by Mourlot, Paris; published by Maeght, Paris; text by Jean Paulhan. Mourlot 175-179. Folio: 15" x 11". (2) Derriere le Miroir. No. 198. May 1972. Original color lithograph wrappers, one lithograph in colors [missing "After Winter" double-page lithograph in colors]. Lithographs printed by Mourlot, Paris, published by Maeght, Paris, text by Louis Aragon. Mourlot 649-651. Folio: 15" x 11".Condition Covers have regular wear including light toning at the spine and some spotting to the back of (1). Interior lithographs near fine.