How many movies have Ernst H. Albrecht and Hans Auffenberg collaborated on?

They have worked on 4 movies together! Their first movie together was Madeleine Tel. 13 62 11 (1958) while their highest rated movie together was Romarei, the Girl with the Green Eyes (1958). They have not worked together since Bombs on Monte Carlo (1960). They are most known for their drama films together.