The Kamperbuitenpoort in Amersfoort

Opaque and transparent watercolor on parchment adhered to panel; thick framing line in brown watercolor

Black chalk and gray wash on cream antique laid paper

Brown ink and blue-gray wash, squared in graphite, on off-white antique laid paper

Graphite on parchment

Black chalk on off-white antique laid paper prepared with gray wash, partial framing lines in black chalk and graphite

Black and white chalk, with a framing line in black chalk, on blue antique laid paper with a strip added at the lower edge, laid down on antique laid paper

Black and white chalk and gray wash on blue antique laid paper, framing line in black ink

Brown ink and gray wash over traces of black chalk on off-white antique laid paper, laid down on card and attached to mount

Black chalk, yellow chalk, gray washes, and white opaque watercolor on gray antique laid paper

Brown ink and brown, gray and gray-green wash and black chalk on white antique laid paper

Graphite on parchment, autograph framing line in graphite

Black and red chalk and white opaque watercolor on blue paper, framing line in brown ink