A Red and White Striped Tulip (Proncker)

Red chalk over graphite on cream antique laid paper, with a framing line in brown ink over red chalk

Brown ink and brown and gray wash on cream antique laid paper, laid down on thin fibrous, transparent paper, partially removed

Brown ink on off-white antique laid paper, mounted overall; framing line in brown ink

Brown ink and brown wash on cream antique laid paper, laid down on paper

Brown ink, brown and gray wash, pink and green transparent watercolor and white opaque watercolor over black chalk on cream antique laid paper, framing line in brown ink

Graphite and red chalk on vellum

Black and white chalk on blue paper

Black chalk and gray wash on cream antique laid paper, framing lines in brown ink and partial framing line in black chalk, laid down on mount

Brown ink, brown wash, black chalk and white opaque watercolor on coarse light tan antique laid paper, laid down; verso of mount: red chalk

Brown ink and brown wash over graphite on cream antique laid paper, with a framing line in brown ink

Red chalk on cream antique laid paper, with a framing line in brown ink, mounted overall on wove paper

Brown ink and brown wash over graphite, incised, on cream antique laid paper, framing line in brown ink