Three drawings fixed on blue cardboard: - Early 18th century school Study of a man's left leg, a right arm and a woman's back hairdressing - Study of draping, on the back. Sanguine on paper, with some inscriptions not very legible. 29.5 x 20.4 cm. Insolations, folds, stains. - 18th century school. Man sabre-rattling an old man on his knees, a draped man running away on the right. Ink bleach on cut paper. Unsigned. 12.5 x 16.5 cm. Dirt and stains. - School of the XIXth century Study of a pyrocumulus or mushroom cloud. Gouache on cream paper. Unsigned. 19.2 x 12.5 cm. Folds, dirt and small lacks.