How many movies have Luciano Martino and Romolo Guerrieri collaborated on?

They have worked on 6 movies together! Their first movie together was $10,000 for a Massacre (1967) while their highest rated movie together was L'allenatore nel pallone (1984). They have not worked together since L'allenatore nel pallone 2 (2008). They are most known for their comedy films together.