Commercial stationary cover prepaid 2c from William W. Birce Ltd in New Orleans addressed to Brig. Gen. John Moulder Wilson (1837-1919) a former Union Army officer and later Chief of Engineers and Superintendent of the US Military Academy.  He was a recipient of the Medal of Honor during the Civil War.  Postmarked New Orleans July 3, 1900 and receiving cancel Washington DC July 11 on back.  Cover was opened via the back flap and part of it tore off and sticks to the gum.  A small tear is visible when the flap is closed, see scan.