"That is not the Queen's writing or the Queen's signature. How could a prince of the house of Rohan, a Grand Almoner, have imagined that the Queen signed 'Marie Antoinette of France'? Everybody knows that queens sign only with their baptismal names."
Saint-Amend, Imbert de. Marie Antoinette and the End of the Old Regime. New York: Charles Scribner's Sons, 1896.