Organization Todt, courier letter number 2070, with 1 Fr. Properly franked franked document with cancellation through black one-line rectangle cancel "swastika occupation Geb. West. Swastika", sender was the construction team II. Fieldpost number 13.426 the general inspectorate for the German language Streets being with chair uncirculated Nazaire. The competent OT Office for St. Nazaire in Germany was in Düren, on castle Burgau, what the printed form commercial cover in black allocated, additional black boxed handstamp of one line "Org. Todt", arranged is the courier letter to the building contractor "tree & Beutgen" in the working operational area west coast. Transport traces, reverse pencil inscription including one authenticity confirmation Beaudoin, signed pierre Mayer, expertise Lothar Herbst VP (2024) "the condition is perfect. Only approximate 30 documents or cutouts are have been preserved respectively known. The ensemble is in all parts genuine and extremely rare. Only 4 covers with black rectangle cancel so far listed. " - one of the few possibilities to the Acquisition this rarity!