The site has been the headquarters of the Banque de France for Pas-de-Calais since September 1856. It was destroyed in World War I and rebuilt in the 1920s and has undergone several structural changes since then. It houses about thirty collaborators. The history of the site, the missions of the Bank of France, an exhibition of period objects as well as a collection of coins and banknotes will be part of the tour guided by employees (indicative duration of 45 mn).