Original U.S. WWII AAF Scarce British-Made Sterling Silver Technical Observer Wings Attributed to Firmin - Pinback U.S. Artillery The eccentric in the right

The eccentric in the right hand side of the body oscillates the feed tray during the firing process

Even a small impact would fracture the polystyrene earpad

which closed in 1946

There is really not any powder burn we can see around the breech or on the plug

Original U.S. WWII AAF Scarce British-Made Sterling Silver Technical Observer Wings Attributed to Firmin - Pinback U.S. Artillery The eccentric in the rightOriginal Item: Only One Available. Now this is a fantastic example of a very difficult set of wings to acquire. This is a British Made Sterling set of Technical Observer wings, still in great condition without any serious damage. The set has a fantastic patina, and the O on this example is hollow, a style often attributed to Firmin of London. The pinback is the correct thinner British style, and the wings are die cast, one of the most difficult styles