Belgium. (POW In Germany). 1940. stamp-less envelope written from Liege date stamp '30th June 1940' headed 'Belischer Kriegsgefangenen/ Deutschland' addressed to 'Lieutenant Van Dervael, Prisoner in Allemagne' with circular 'Croix Rouge de Belgique/ Internatnal de Recherches/ 142, Bd de la Sauveniere/ Liege' in carmine on face and 'Retour' with 'Adress Insuffisance' in violet on face.