Son of Daniel Webster who served as a Union colonel during the Civil War and was killed in action at the Second Battle of Bull Run (1818–1862). Uncommon ALS, one page both sides, 4.25 x 7, August 11, 1842. Letter to Secretary of the Senate Asbury Dickens. In part: “They must send the original treaty to the printers—they will replace & dust it & it must be kept here always. They will have a perfect copy to be compared with the original.” Second integral page is inlaid into a slightly larger sheet. Intersecting folds (one vertical fold passing through a single letter of the signature), a small hole to the upper left, and a few erased pencil notations to the top, otherwise fine condition. The Webster-Ashburton Treaty was signed on August 9, two days before this letter was written, which resolved border issues between the United States and North American British colonies. RR Auction COA.