Richelieu (Armand Jean du Plessis, Cardinal, Duc de) Autograph letter signed ('Le Card. De Richelieu'), in French, to Monsieur de Hauterive, reading in part "Je prendre la plume pour vous prier de vous employer envers Monsieur le Prince D'Orange", one page, folding marks, chipping to left margin, browning and foxing, particularly to borders, remnants of previous mount, red wax seals, remains of silk cords, folio, address panel, 17 August 1627