Tree, from the Background of a Picture by an Early Flemish Master, in the Uffizi Gallery at Florence

Graphite on tan wove paper

Brown ink on tan wove paper

Graphite on paper with stray watercolor marks

Graphite on paper

Graphite on paper

Black crayon on off-white wove tracing paper

Colored marker on paper

Graphite on thin off-white wove paper

Black ink and gray wash, heightened with white white gouache, on blue antique laid paper

Watercolor over graphite

Colored marker and blue pen on paper

Graphite on paper