Grain Tower, Treptow

Black crayon on paper

Black chalk and watercolor on off-white wove paper

Black crayon, squared in black crayon, on off-white antique laid paper

Black ink on off-white wove paper

Colored marker on paper

Graphite on off-white laid paper

Brown chalk on buff wove paper

Graphite and charcoal on off-white wove paper

Graphite on brown paper

Graphite on paper

Black crayon on paper

Black pen on paper