A Red and White Striped Tulip (Proncker)

Red chalk counterproof with touches of black chalk on cream antique laid paper

Red chalk and red chalk wash on cream antique laid paper, framing line in brown ink

Brown ink on toned Asian paper, mounted overall to a sheet of off-white antique laid paper, framing line in dark black ink

Black and white chalk on grey-blue antique laid paper

Brown and black ink, transparent and opaque watercolor, and gray wash over graphite on two sheets of antique laid paper, the secondary sheet extending 10 mm below the primary one at the bottom, partial framing line in graphite, mounted overall

Transparent and opaque watercolor over graphite on off-white antique laid paper

Brown ink, transparent and opaque watercolor, and white opaque watercolor on off-white antique laid paper, mounted; framing line in brown ink

Graphite on cream antique laid paper

Watercolor, black chalk, and a modified gum arabic on cream antique laid paper, framing line in brown ink

Black and red chalk on parchment

Black chalk and gray and red wash on cream antique laid paper

Brown ink, gray and brown wash, graphite and black chalk on cream antique laid paper