1 Fr. And 4 Fr. \"marshal Petain\" as patriotic franking fixed on registered letter as prepaid postage, used from \"Batz sur Mer 9.5.45\" to Pornichet with arrival cancel from 11.05.1945, the required postage was 6 Fr. And all became by letter posting the missing amount in cash charged and accordingly with one-line cancel \"taxe PERQUE\" receipted, the document is a day to End of the war mailed were, got the regular cancel of liberation \"Liberation\", further became the semi-official cancel of liberation \"ILOT de St NAZAIRE VIVE la LIBÉRATION\" affixed, the letter became poste restante shipped, at destination unfortunately unclaimed and to the dispatch post office sent back, a postal reference stamp \"returned A L`ENVOYEUR\" confirms this, detailed expertise Lothar Herbst VP (2023) : \"the condition is perfect. \"