FRIPPIER (20th century) Set of four mixed techniques in grisaille on paper including : - Ruelle à Montmartre (wetness) 46 x 38.5 cm - View of the Sacré Coeur, an alley in Montmartre. 46 x 38.2 cm - View of an alley. (slight folds) 55 x 37.8 cm - View of the Moulin de la Galette, on verso preparatory work of the same scene. 45.8 x 38 cm Signed lower right