Untitled (color transfer, left page); Untitled (Rosenthal project designs, right page)

Graphite on envelope

Graphite and colored pencils on tracing paper

Graphite on paper

Black crayon on paper

Graphite and ink on paper

Graphite on paper

Colored marker and black pen on paper

Graphite on cream wove paper

Graphite and colored crayons on paper

Graphite and colored pencil on paper

Colored marker on paper

Graphite on paper