WWII Sterling Silver MOP Army Air Corps Ring Sz 9. The item "WWII Sterling Silver MOP Army Air Corps Ring Sz 9" is in sale since Saturday, July 17, 2021. This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\United States\Pins". The seller is "jackofalltreasures" and is located in Long Beach, California. This item can be shipped to United States.