WASSENAER, Frederik Hendrik v. (1701-1771). Signed letter to Gerard van Brandwijk (1704-1762), burgomaster of Gouda, concerning the constitutional situation that arose due to the death of the Princess of Orange and the minority of the hereditary stadtholder, dated Catwijk [=Katwijk] a.d. Rijn, June 3rd 1759. Written in a legible hand on 2 sides of a folded 4° sheet of paper. - Added: the or. envelope and also an engr. sihouette portrait of baron Jacob Jan v. Wassenaer 1724-1779).