U.S. Air Force Pin. Made to official specifications this U.S. Air Force Insignia pin is the official "service" seal of the Air Force. The pin is die struck from jewelers metal, gold plated, enamel color filled and epoxy coated for lasting durability. A perfect pin to honor an American Air Force family member and to wear at special American holiday events. Each pin includes a standard clutch back and is individually poly bagged.