MOST SUCCESSFUL WW2 GERMAN LUFTWAFFE FIGHTER ACE ERICH HARTMANN WITH 352 VICTORIES AND FIGHTER ACE FRANZ EISENACH WITH 129 VICTORIES - HANS ROSSBACH SIGNED LIMITED EDITION POSTAL COVER NUMBER 4 OF 18 - SIGNED BY GERMAN FIGHTER ACE ERICH HARTMANN - HE WAS SHOT DOWN TWICE AND FRANZ EISENBACH - Signed Postal Cover by the above. Cover was posted in 1972. Very good condition. COMES WITH  PHOTO OF EISENACH AND DETAILS OF HARTMANN WITH HIS PICTURE. I M JOHNSON IS THE PILOT WHO FLEW THIS COVER. SLITHER OF PAPER IS FROM ROSSBACH'S ORIGINAL LISTING.