Here is a New Old Stock Commercial Ignition Distributor Cap (for S.E.V. Distributor) (tatty box) for 

Citroen ID 19, ID 20 1959-67

Citroen N350 1966

Renault Dauphine, Gordini 1962-69

Renault Flouride S, Caravelle 1964-69

Renault 6TL 1108cc 1968-80

Renault Estafette 1969 on models.