Exercise in Advancing and Receding Values

Colored marker and black pen on paper

Black crayon on paper

Graphite with colored crayons on paper

Colored marker on paper

Black, yellow and purple crayon ; black crayon on paper

Gouache on paper

Blue crayon on paper

Black marker on paper

Ink, graphite, applied type and collage elements on paper

Graphite and brown crayon on paper

Graphite on paper

Graphite and red crayon on paper