1 Piece. Document Signed - American president. Taylor, Z(achary). Washington, March 20, 1850. 1 p., folio on vellum; moderate creasing along old folds. Appointing William E. Prince Captain, Army of the United States. Countersigned by George W. Crawford, Secretary of War. Engraved vignettes, paper seal. Strong, dark, uncreased presidential signature. Latter manuscript annotations at upper right. Signed as president.