Set of four 19th century architectural hand colored engravings, engraved by Colen Campbell, "The Elevation of Durham House...", "The North Prospect of Cholmondeley Hall...", "The Elevation of Richard Rooth...", and "The South Prospect of Cholmondeley Hall...", signed lower right H. Hulsbergh. plate size: 9 3/4" x 14 1/2" Provenance: Property from the Credit Suisse Americana Collection