This is an original WW II A-9 Air Force U.S. Army Pilot's Flying Cap in large size No42-G686. AC Order 42-19385P. The cap is a piece of history from the United States' involvement in the war, making it a rare and valuable collectible item for any militaria enthusiast. The cap's authenticity is confirmed by its originality and the fact that it was manufactured in the United States during the war. It is a genuine accessory worn by pilots during the war and is a must-have for any serious collector.