SCARCE ONLY 21 ISSUED - HANS ROSSBACH SIGNED LIMITED EDITION POSTAL COVER NUMBER 18 OF 21 - SIGNED BY RAF BOMBER COMMAND MARSHAL OF THE ROYAL AIR FORCE SIR ARTHUR "BOMBER" HARRIS AND GERMAN LUFTWAFFE NIGHT FIGHTER PILOT JOSEF KAMMHUBER - Cover was posted in 1971. Josef Kammhuber born August 19th 1896 died January 25th 1986 was a career officer who served in the Imperial German Army, the Luftwaffe and the post-World War II German Air Force. During World War II, he was the first general of night fighters in the Luftwaffe. Sir Arthur Travers Harris, 1st Baronet born13th April 1892 died 5th April 1984, commonly known as "Bomber" Harris by the press and often within the RAF as "Butch" Harris. Very good condition. COMES WITH TWO PHOTOS.