

This postcard has been sold
Colored view of an underground cave with vibrant stalactites and stalagmites (orange, pink, green), illuminated by a lighting system. On the reverse, a handwritten letter addressed to Madame Pinterie in Paris, with a 20-centime French postage stamp and a postmark from Gujan-Mestras dated 27-10-1958. The publisher is listed as 'French Editions' with 'French Manufacturing'.