Eberhard Heder - Knights Cross Holder - signed photo, letter and envelope For Sale

This is a signed photo of Eberhard Heder. The photo is signed by Heder. There is a typed letter which is signed and the original envelope from the veteran to the collector included. The name and address of the collector has been typexed out.
I\'m breaking up my collection of Knights Cross Holders and tank crew.
Heder was a Major with the 5th Div pioneer. He was awarded the Knights Cross in 1944. He became a Colonel in post war German army.
Size is 4cm x 7cm and is signed in a silver pen. Letter is signed in black pen.