1930s Framed Landscape Lithograph

Beautifully matted and framed lithograph depicting a landscape scene. Unsigned and unnumbered. From when we purchased, we were told the artist is Andre Derain. However, there is no signature on the piece that we can find without unframing it. A piece from the collection titled: Au Jardin d’Allah, Verve: Revue Artistique et Litteraire. Estimated to be 1938.
Measurements: 17″ w x 2″ d x 32″ h
Styles: Vintage, Bohemian, French, Traditional. European