How many movies have Luděk Kopřiva and Václav Kotva acted in together?

They have worked on 10 movies together! Their first movie together was You Are a Widow, Sir (1971) while their highest rated movie together was Kateřina zlé pověsti (1976). They have not worked together since Španělská paradentóza (1987). They are most known for their comedy films together.