This old F4 is a very rare sight indeed. The van would appear to be one of the earliest generational examples, probably built in the early 1960s, though perhaps somebody can advise of the exact year. This may be discernable by the number plate, and the knowledge that the vehicle is a Spanish model spotted in the streets of Alcalá de Henares, near Madrid (hence the 'M' as the first letter). I happened upon it whilst visiting a friend living nearby, during an unexpected Renault 4 road trip I made with my car, Reflexia, in December 2008. Further details on that can be found here.