RARE - HANS ROSSBACH SIGNED LIMITED EDITION POSTAL COVER NUMBER 13 OF 14 - SIGNED BY THE GERMAN LUFTWAFFE FIGHTER ACE PILOT ERICH RUDORFFER AND RAF FIGHTER PILOT DOUGLAS BADER DSO AND BAR, DFC - Signed Postal Cover by the above. Cover was posted in 1980. Very good condition. COMES WITH 2 PHOTOS. SLITHER OF PAPER IS FROM ROSSBACHS ORIGINAL LIST. JUST NOTE ONLY 14 OF THESE (SIGNED BY THE ABOVE) WERE EVER ISSUED MAKING THIS A VERY RARE COVER.