Untitled (stamps from Spain, left page); Untitled (pasted architectural plan for Palais des Beaux Arts de Bruxelles)

Colored and metallic marker and black pen on paper

Black, purple, and pink crayon on paper

Paper

Graphite on paper

Black marker on paper

Ink on vellum

Black marker on paper

Watercolor and stamp ink on paper

Blue marker on paper

Black marker and pen on paper

Ink on paper

Blue marker on paper