How many movies have Aili Kari and Kosti Lehtinen collaborated on?

They have worked on 7 movies together! Their first movie together was Rautakylän vanha parooni (1923) while their highest rated movie together was Muurmanin pakolaiset (1927). They have not worked together since Meidän poikamme (1929). They are most known for their drama films together.