Lot of eight erotic drawings: - Bilboquet III, watercolor. 23 x 15 cm - A. Vallet, Couple en ébats. Pencil. Signed and dated 1911. 14 x 20 cm - Woman's posterior, gouache. 17 x 12.5 cm - Couples, two gouache pencils. 23 x 16.5 cm - Study, pencil. Folds and tears. 15 x 23 cm - CARLO, La surprise, colored ink. On cardboard. Fold in center. 16 x 20 cm - Gamauchage, watercolor. 13 x 18.3 cm