How many movies have Gianni Fiumi and Ugo Tognazzi collaborated on?

They have worked on 3 movies together! Their first movie together was Stanza 17-17 palazzo delle tasse, ufficio imposte (1971) while their highest rated movie together was Property Is No Longer a Theft (1973). They have not worked together since The Cat (1977). They are most known for their comedy films together.