Pilot Wings - Sterling Silver

For sale is an authentic WWII-era United States Army Air Force Pilot qualification badge. This is a full-sized "wing" awarded to pilots upon completion of their flight training during the 1940s.
Material: Guaranteed Solid Sterling Silver (marked "STERLING" on the reverse).
Size: Full size, approximately 3 inches (approx. 7.6 cm) in width.
Design: High-detail feathering on wings with the classic US shield in the center.
Condition: Excellent vintage condition with a beautiful natural patina. The hallmark is crisp and readable.
Fastener: [???????: Pin-back (????? ???????) ??? Clutch-back (??? ?????????-«????????»)].
This is a genuine piece of WWII history, perfect for collectors of militaria, aviation enthusiasts, or as a replacement for a family heirloom.