Study of a Horse, for the Equestrian Monument of Charles III Bourbon in Naples

Black and red marker on paper

Colored marker, postcard cutouts, and adhesive on paper

Colored crayons on paper

Black marker and adhesive on paper

Recto: transparent and opaque watercolor, black and blue inks, graphite, tea and oil on white wove paper; verso: transparent watercolor and tea on white wove paper

Watercolor and graphite on white wove paper

Charcoal on cream laid paper

Graphite on off-white wove paper

Colored marker, paper, and adhesive on paper

Colored and metallic marker on paper

Pure flake white pigment on Japanese paper