It is marked Gemsco Sterling on the center back. From research it appears to be a US Air Force Navigator Wings Pin from World War II. This pin is closed by a hook & catch closure not a regular pin push back. Please view all of the photos to get a better understanding of the item.Only items pictured above are included in the listing. There are no manuals or power cords included unless otherwise noted in the picture or description. WE DO NOT DO BUSINESS INTERNATIONALLY. This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\United States\Pins". The seller is "pawnnow" and is located in this country: US. This item can be shipped to United States.