I came across a small horde of these 21mm Uniform Buttons for the French 'Armée de l'Air Française' Air Force in WW2. Various makers, but I should be able to come up with a matching set for the Uniform Jacket or Overcoat. These are really difficult to find. Price is per Button. Uniform shots are from the outstanding website 'Rathbone Museum of WWII Aviators'