Artists use a stump, a tightly rolled piece of leather or paper, to manipulate and
blend dry media like chalk or charcoal. Piazzetta used a stump to vary the rich
blacks in this detail from a crayon drawing.
Giovanni Battista
(Giambattista) Piazzetta
(Italian, 1682-1754)
Detail from A Young
Woman Buying a Pink from
a Young Man, about 1740
Black crayon (wetted and
rubbed) heightened with
white chalk, on blue laid
paper (faded to green-
gray), 42.7 x 54.
centimeters