645. ALEXANDER HAMILTON (1755-1804) American politician who, with Madison and Jay, supported the Constitution through contributions to The Federalist, first Secretary of the Treasury who built the national fiscal system, mortally wounded in a duel with Aaron Burr. His franking signature "A Hamilton" on an address panel directed to Major Adlum of Reading Pennsylvania. With New York July 8 postmark. Losses from seal tear, light toning and the usual creases, otherwise very good. $800-1,000