In the period between the world wars, Franay dressed chassis from Bentley, Bugatti, Delage, Delahaye, Duesenberg,[4] Hispano-Suiza and Rolls-Royce, among others.
After the Second World War, Marius Franay took over the chairmanship of the Association of French Car Body Manufacturers (Chambre Syndicale de la Carosserie Française).
Other bodies for Bentley and Rolls-Royce, produced around the same time, continued to follow the traditional style with sculpted front and rear fenders[5] or repeated the striking Art Deco designs of the pre-war period.
[6] One of Franay's last works was a four-door representative limousine for the French President René Coty based on the Citroën Traction Avant with a "three-box" modern body.
The car, registered with the license plate 2 PR 75, was used on official occasions from 1955, including a state visit by the British Queen Elizabeth II in 1957.