This is a beautiful sheet of 6 stamps, issued by Comoro Islands in 2008, displaying World War II airplanes. Featured planes include the American heavy bomber B-24 Liberator, the Betty Bomber Mitsubishi G4M3, the Petlyakov Pe-2 Soviet dive bomber, Savoia-Marchetti SM.79 Italian bomber, Japanese single-seat fighter Nakajima Ki-84 plane, and...