Study of Numerals Six and Nine; verso: Study of Numerals Six and Nine

Graphite on paper

Colored marker and black pen on paper

Paper

Graphite on paper

Black crayon on paper

Graphite and colored on paper

pen and black ink, brush and gray and green wash, blue watercolor, charcoal on off-white laid paper

Black pen on ruled paper, adhesive, and black marker on paper

Graphite on cream wove paper

Watercolor on paper

Brown ink on newsprint

Gouache and collage element on cream wove paper