Early American leader, served as an aide to Washington during the Revolution. Co-wrote the Federalist papers and as the first Secretary of the Treasury, he stabilized the nation's finances. He died in a duel with his political foe, Aaron Burr. LS signed 'A. Hamilton,' one page, 8 x 10, August 20, 1790. Letter written as Secretary of the treasury setting up the details of the U. S. Customs collections, Hamilton explains how duties intended for foreign ships are to be refunded to certain American vessels. In part, 'The act of July last, imposing duties on the Tonnage of Vessels, provides for the restitution of the foreign duty which has been incurred by Ships...of the United States, by reason of their not having a Certificate of Registry or Enrollment and a licence , when trading Coastwise or engaged in the fisheries...This refund is to be made in each instance at the custom house, where the duty was paid and in such manner, that the American Tonnage duty of six cents, is to be retained for the United States, and the extra sum of forty four cents, to which foreigners only are liable, is to be repaid.' In fine condition, with some mild edge toning and light show through from docketing on reverse. COA John Reznikoff/University Archives and RRAuction COA.