How many movies have Dino De Laurentiis and Luigi Salvi collaborated on?

They have worked on 3 movies together! Their first movie together was To Bed or Not to Bed (1963) while their highest rated movie together was The Teacher from Vigevano (1963). They have not worked together since Il furto è l'anima del commercio!?... (1971). They are most known for their comedy films together.