Chalk is a very old tool to draw with. The texture is like pastels and has been used all the way back in the prehistoric times! Red and black are the two colors along with red used for sketching. It can be used to make sidewalk chalk drawings too done by many kids and even adults.
Leonardo Da Vinci
Portrait of a Man in Red Chalk
Painted in 1512
Size was 33.3cm to 21.3 cm
Held in Biblioteca Reale, Turn
Portrait of Isabella d'Este
She asked him to paint her portrait when he stopped at Mantua
Represented his progessive idealization
The sketch is known to be unfinished
The Virgin and Child with Saint Anne and Saint John the Baptist