4 pages, 4to, 232 x 190 mm., red quarter morocco gilt slipcase." /> JEFFERSON, Thomas, <I>President</I>. Autograph letter signed ("Th:Jefferson") as Secretary of State, to his friend and neighbor Philip Mazzei (1730-1816), Philadelphia, 2 August 1791. <I>4 pages, 4to, 232 x 190 mm., red quarter morocco gilt slipcase.</I> | Christie's