Erich Leie was a Luftwaffe ace with 118 victories who was KIA 1945
The letter reads something like this;
Because Captain Balthasar was killed in action regretfully he is not able to follow your request personally. Our squadron leader is willing to fullfill your request and send an enclosed photo with his signature. (it was rubberstamped but the letter does not say this)
Oberleutnant und Geschwader - Adjutant
Erich Leie is a very hard autograph to come by and is considered rare.