Sketch of a pharoh, Egypt 1295–1069 BCE. Object shows how the preliminary outline was done in red pigment, then corrected, and finished in black. These sketches were the work of two craftsmen, a draftsman and a master artist.[2118×3000]

Sketch of a pharoh, Egypt 1295–1069 BCE. Object shows how the preliminary outline was done in red pigment, then corrected, and finished in black. These sketches were the work of two craftsmen, a draftsman and a master artist.[2118×3000]

Pen, brush in black on chalk sketch Study for the Family Portrait of Thomas More, c. 1527 by the artist Hans Holbein. Though the painting was finished it was lost in a fire and only the artist sketches survive. (2659×1878)

Pen, brush in black on chalk sketch Study for the Family Portrait of Thomas More, c. 1527 by the artist Hans Holbein. Though the painting was finished it was lost in a fire and only the artist sketches survive. (2659×1878)