3 Pieces. Documents Signed - American presidents. Van Buren, Martin. Washington, April 1, 1839. 1 p., folio on vellum; moderate creasing along old folds. Appointing William E. Prince Second Lieutenant, Army of the United States. Countersigned by Joel R. Poinsett, Secretary of War. Engraved vignettes, paper seal. Presidential signatures clear, starting to brown. Later ink annotations at upper left. * Van Buren, Martin. Washington, February 20, 1840. 1 p., folio on vellum; moderate creasing along old folds, occasional minor discoloration. Appointing William E. Prince First Lieutenant, Army of the United States. Countersigned by Joel R. Poinsett, Secretary of War. Engraved vignettes, paper seal. Presidential signature clear and dark. Later ink annotations at upper left. * Johnson, Andrew (stamped signature). Washington, March 25, 1867. 1 p., folio on vellum; light to moderate creasing along old folds. Appointing William E. Prince Lieutenant Colonel, Army of the United States. Countersigned by Edwin M. Stanton, Secretary of War. Van Buren signatures as President of the U.S., Johnson's presidential stamp as usual.