Controversial US vice-president, who killed Alexander Hamilton in a duel in 1804. LS, one page both sides, 6.5 x 9, July 20, 1786. Difficult to read letter from Burr to a gentleman concerning a debt owed to Burr. Matted and framed (so both sides are visible) along with the original mailing envelope and a portrait of Burr, to an overall size of 19 x 13.5. In very good condition, with show through from text on reverse, scattered toning and spotting, creasing and a few small areas of paper loss. RRAuction COA.