Member of a cadet branch of the House of Bourbon, the ruling dynasty of France. He actively supported the French Revolution and adopted the name Philippe Égalité, but was nonetheless guillotined during the Reign of Terror. Manuscript DS, in French, signed “LP d’Orleans,” one page, 8 x 12.25, May 28, 1787. Crisply penned untranslated document, signed at the conclusion by d’Orleans. Central horizontal and vertical fold, and a few light creases, otherwise fine condition. RRAuction COA.