BOLLE (Henriette). KOECHLIN (Robert). Colinette and Crin-Crin. Éditions Spès. Arts graphiques A. Denéréaz-Spengler & Co. Lausanne. [1913]. In-8 oblong (20,5 x 30,5 cm). 46 pp. Publisher's album, blue-green cloth spine, plates lithographed in colors. Unique edition. Forty-five plates of pastel drawings, very innovative for the year 1913. Painter, originally from Switzerland, Henriette Bolle (1885-1957) continued her training at the Academy of the Grande Chaumière and at the Beaux-arts of Paris. Short text placed in a frame, itself drawn by the artist, inside the drawing, in direct relation with the elegant and simple image, quality printing on strong paper. "Jean-Pierre Schindler, New Year 1915" meticulously inscribed in purple ink on the first flyleaf. Perfectly preserved, corners of boards very slightly rubbed.