According to the Leupe catalogue (NA), the original title reads: "Plan van het Kasteel te Colombo". The mapmaker, De Tiniels, was captain of artillery in the Luxembourg regiment. Blueprint for the fortifications, comprising the clearance, deforestation and lowering of the advance terrain between the fortifying wall and the city. The terminology is in French. Notes on reverse: "nr. 15; nr. 19 label ODG) nr. 13 Colombo. [Printed label nr. 530".