Untitled (animal eating, left page); Untitled (sketches of artist's uncle [Walter Pietschmann], right page)

Colored marker and blue pen on paper

Graphite on paper

Graphite on paper

Graphite on paper

Graphite on paper

Black pen on paper

Graphite and crayon on paper

Graphite on paper

Graphite on paper and mounted

Colored marker on paper

Blue crayon on paper

Graphite and blue crayon on paper