Three drawings fixed on blue cardboard

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.