Marguerite-Louise d'ORLÉANS (1645-1721) daughter of Gaston d'Orléans, she married Cosme III de Médicis, Grand Duke of Tuscany. L.A.S., "Piquepuce" (Picpus) December 11; 2pages in-8 (small hole from ink corrosion). She sends a memoir "for an affair that my farmer has before you and which consequently becomes mine, I beg you to be favorable to him and I have no doubt that I am well informed of your uprightness and your esquity"...