Rudel was the most decorated German WWII fighter pilot. Stahl was a Knight’s Cross recipient who flew 618 missions. DS, in German, one page both sides, 8.25 x 12, December 19, 1944. SG Immelmann document relating to Knight’s Cross recipient Heinz Meyer, signed once by Rudel as Geschwaderkommodore and twice by Stahl as Staffelkapitain. In fine condition, with document folds and a light shade of toning, a bit heavier to edges. R&R COA.