ORLÉANS (Philippe d'). Secretary's letter, with autograph signature, dated March 2, 1717, addressed to M. Davaray, ambassador to Switzerland from 1715 to 1726. One f. in-8, folds. Concerning a memoir on "the old species of gold used in Switzerland". Attached: - BOURBON (H. de). Letter of thanks, from secretary, with autograph signature, dated January 10, 1720, addressed to M. Davaray, ambassador to Switzerland. One p. in-8, folds, small marginal tears. - Extract from the registers of the secretaries' office of the Duc d'Orléans, May 12, 1757. 3 pp. in-folio. Manuscript signed Lemogne de Bellisle. Giving the office of bailli d'Orléans to his younger brother, following the death of M. Davaray. Bends, tears, small tears.

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