(MEXICO--MANUSCRIPTS.) Confirmation of arms and nobility in favor of the Diez y Mora family. One handpainted coat of arms, one handpainted title page, [32] manuscript pages with numerous decorative flourishes and hand-painted capitals, with 6 signatures at end, all on vellum. Folio, 11½ x 7¼ inches, modern full gilt calf; modern collector's bookplate on front pastedown. Madrid, 26 May 1710 A series of royal decrees and supporting documentation, also known as a "cédula real de pureza de sangre," confirming the nobility and privileges of a Mexican family. Includes family history going back to 1372, and discusses the arrival of Miguel Diez de la Mora in Mexico City, and his later service as governor of Tochimilco and alcalde of Guaracualco. It was compiled by Juan Antonio de Hozes Sarmiento, the royal chronicler of arms, and bearing his signature on the third page from the end.