These are stamped on the back STERLING. Check out my other auctions and my store. The item "WW2 ARMY AIR CORP 2 BOMBER / AERIAL GUNNER WINGS STERLING SILVER NICE LOOK" is in sale since Saturday, October 24, 2015. This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\United States\Pins".
The seller is "antonio691" and is located in Deltona, Florida. This item can be shipped worldwide.