Handwritten treaty between the United States Government and the Navajo Indians signed at Fort Sumner, New Mexico on June 1, 1868. The peace commisssion's copy. Markings for the Navajo leaders were printed by a clerk. It does have the signature of Delgadito, the only Navajo leader who could write his name. Copy or version of Samuel F. Tappan, who served as secretary during the treaty proceedings.