CHARLES X (1757-1836). P.S. "Charles Philippe" as comte d'Artois, duc et comte d'Auvergne, Versailles January 17, 1775; countersigned by Poret de Blosseville; vellum broadside, partly printed (some stains). Letters of faith, homage and oath of fidelity for the priory of Doutreix, dependent on his duchy of Auvergne. Attached is a brevet de chevalier de la Légion d'honneur, bearing the signature of Louis XVIII (1817), countersigned by Macdonald.