WWII WW2 US ARMY Air Force Folmer K20 Military Aircraft Camera w/ Original Case. INSTRUCTION MANUAL IS NOT ORIGINAL. Please make sure part will fit your application.Check back often, auctions added frequently. Thank you and God Bless America! The item "WWII WW2 US ARMY Air Force Folmer K20 Military Aircraft Camera with Original Case" is in sale since Monday, May 17, 2021. This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\Other WWII Original Items". The seller is "ninocardo1" and is located in El Sobrante, California. This item can be shipped worldwide.