2004 37¢ U.S. Air Force Academy
Issue Date: April 1, 2004
City: Colorado Springs, CO
Printed By: American Packaging Corporation for Sennett Security Products
Printing Method: Photogravure
Perforations: Serpentine die cut 10 ¾
After the U.S. Air Force was separated from the Army in 1947, Congress authorized the establishment of a school to train Air Force officers. This stamp honors the fiftieth anniversary of the founding of the U.S. Air Force Academy, located near Colorado Springs, Colorado. A coded image of a falcon below the denomination is visible when viewed through a U.S.P.S. Stamp Decoder lens.