How many movies have Luigi De Filippo and Peppino De Filippo acted in together?

They have worked on 14 movies together! Their first movie together was Non è vero... ma ci credo! (1952) while their highest rated movie together was Un ragazzo di campagna (1959). They have not worked together since Cupido scherza... e spazza (1972). They are most known for their comedy films together.