Untitled [Sailboat near Exploding Volcano]; verso: Untitled [Exploding Volcano]

Black and green marker and black pen on paper

Colored pencil on paper

Colored marker and black pen on paper

Ink on vellum

Graphite and colored pastel on gray wove paper

Charcoal heightened with white chalk on paper

Black and metallic marker and black pen on paper

Black ink on off-white wove paper

Graphite, colored pencil, and colored crayons on paper

Graphite on paper

Colored marker on paper