BURR, Aaron (1756-1836) American statesman, attorney general, U.S. Senator, vice-president of the United States. His defeat in a contest for the governorship of New York led to a duel in 1804 with Alexander Hamilton, whom he mortally wounded. Autographed folded lettersheet dated 1829 discussing legal matters relating to a mortgage obligation, addressed to Samuel Hopkins in Moscow, N.Y., manuscript "25" charge and red "Paid" handstamps, also New York, June 11 arrival pmk, fine and rare letter