Home / Vietnam War Era / Patches & Insignia / Sterling 3 Inch Clutch Back U.S. Air Force Navigator Wing by Gemsco Sterling 3 Inch Clutch Back U.S. Air Force Navigator Wing by Gemsco$35.00 Excellent condition. The reverse is marked both “Sterling” and “G-22” for Gemsco. Sterling 3 Inch Clutch Back U.S. Air Force Navigator Wing by Gemsco quantity Add to cart Item Number: 48737 Category: Patches & Insignia