4 Fr. brick red as a single franking on cover the second postage period (as usual postage exceeding tariff rate, in that case about 2 Fr. ) to La Baule in the fortress St. Nazaire, between the both Atlantic fortresses inventory from January to May 1945 a local established postal service traffic by sea, photo expertize autumn VP (2018) : "Weinge tips of the teeth tiny shaded, attributable to the affix of the stamp. Is as usual and tolerably by Kriegsbelegen from 1945. the condition is therefore perfect. The charity stamp louis XIV belongs to the greatest rarities, there they only in 15 copies overprinted was. So far are only 7 covers registered. A world rarity! "