ARCHITECTURAL PROJECT DEDICATED TO PRINCE GUILLAUME V OF ORANGE-NASSAU BY HENDRICK LOTSY, 1765 in boxwood, consisting of various elements carved in bas-relief and removable, depicting a citadel project by the military engineer Hendrick Lotsy. Dedicated in a cartouche at bottom center: Project/Van Een Seshoek/Geformeert Terinstructie Van Zyne/Doorlugtige Hoogheid/Willem de Vde Prince Van/Orange en Nassau/&c&c&c/Door den Ingenieur Lotsy/1765/Schaale van 48 Toisen Cracks, small missing parts Height 90 cm - Width. 150 cm We know of another comparable wooden model by the engineer Lotsy, built in 1769 for Fort Leyden at the mouth of the Commewijne River in Suriname, to protect the new colonies from maritime attack, now in the Rijksmuseum (Ref. NG-NM-141).