Vintage WWII US Army Air Forces K-20 Aircraft Camera Original Case Extras B410. The item "Vintage WWII US Army Air Forces K-20 Aircraft Camera Original Case Extras B410" is in sale since Tuesday, June 19, 2018. This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\United States\Other US WWII Original Items". The seller is "lynnedits2" and is located in Mission Viejo, California. This item can be shipped worldwide.