How many movies have Erich Küchler and Rudolf Schündler collaborated on?

They have worked on 2 movies together! Their first movie together was Das Posthaus im Schwarzwald (1958) while their highest rated movie together was Mein Schatz, komm mit ans blaue Meer (1959). They have not worked together since Mein Schatz, komm mit ans blaue Meer (1959).