

This postcard has been sold
View of the Mont Aigoual Observatory, a stone building with a cylindrical tower, located on a rocky promontory. The reverse bears a handwritten letter to Madame Jeanne Lause, 64 Rue Jean Jaurès, in Lille, with a 40-centime postage stamp of the French Republic and a cancellation mark of 'L'Isle-sur-la-Sorgue'.