French police official whose crime-solving techniques served as patterns for private detective agencies. LS in French, signed “Vidocq,” one page, 7.5 x 9.5, March 30, 1830. Letter to the Minister of War. In part, “I have the honor to address you under this fold a certificate of Presence of the Corps of St. Raimbaud, which I beg of you to really want to legalize the signatures.” In very good condition, with light overall toning and a small tear under signature, affecting only the paraph, a result of adhesive to second integral page. R&R COA.