How many movies have Franca Haas and Franco Franchi acted in together?

They have worked on 3 movies together! Their first movie together was I due maggiolini più matti del mondo (1970) while their highest rated movie together was Il clan dei due Borsalini (1971). They have not worked together since ...Scusi, ma lei le paga le tasse? (1971). They are most known for their comedy films together.