A Red and White Striped Tulip (Proncker)

Brown ink and black chalk on cream antique laid paper, incised in design areas and compass-point hole at center, attached to mount with two framing lines in brown ink

Brown ink, transparent watercolor over black chalk on cream antique laid paper, framing line in brown ink, mounted at four corners to beige antique laid paper

Brown wash and transparent and opaque watercolor on cream antique laid paper, with a framing line in brown ink

Black ink, gray and brown wash, and transparent watercolor on cream antique laid paper, framing line in brown ink

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

Black ink, brown and gray wash and watercolor, over black chalk on parchment

Transparent and opaque watercolor and black and red chalk on parchment

Brown ink and brown wash, with corrections in opaque white watercolor, on cream antique laid paper, discolored to beige (mounted)

Black chalk, with a partial framing line in black chalk, on cream antique laid paper

Brown ink, brown wash and black chalk, with a framing line in brown ink, on off-white paper, laid down

Black chalk, graphite, and brown and gray wash on off-white antique laid paper, framing line in ink or black chalk