How many movies have Daniele Vargas and Guido Malatesta collaborated on?

They have worked on 7 movies together! Their first movie together was Valley of the Doomed (1960) while their highest rated movie together was Riuscirà il nostro eroe a ritrovare il più grande diamante del mondo? (1971). They have not worked together since Riuscirà il nostro eroe a ritrovare il più grande diamante del mondo? (1971). They are most known for their adventure films together.