Keizersberg Castle in Leuven

Brown ink on off-white antique laid paper, inlaid to decorative mount

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

Brown ink and brown wash over black chalk on off-white paper

Black chalk and brown ink on cream antique laid paper

Black chalk and gray wash on brownish-gray prepared paper

Red chalk [moistened?] on cream antique laid paper

Brown ink on light tan antique laid paper

Opaque and transparent watercolor over graphite on cream antique laid paper, framing line in graphite

Transparent watercolor, with application of gum, and opaque watercolor over traces of black chalk on cream antqiue laid paper

Brown ink, brown wash and white opaque watercolor over black chalk on off-white antique laid paper, prepared with brown wash, traces of a framing line in black chalk

Black ink, gray wash, black chalk, and white opaque watercolor on tan antique laid paper

Brown ink and brown and gray wash over graphite, with a framing line in brown ink, on off-white antique laid paper