2 pages, folio, autograph address leaf, autograph notation on verso of address leaf by Mercer descendant in 1824, presenting the letter to Caroline Bayard, seal hole on address leaf, silk lamination performed by Library of Congress in 1950s." /> WASHINGTON, George. Autograph letter signed as President ("Go. Washington") to James Mercer, Mount Vernon, 3 October 1792. <I>2 pages, folio, autograph address leaf, autograph notation on verso of address leaf by Mercer descendant in 1824, presenting the letter to Caroline Bayard, seal hole on address leaf, silk lamination performed by Library of Congress in 1950s</I>. | Christie's