4 Fr. Special edition "liberation France" with hand stamp overprint "fortress Lorient", upper margin copy (there likewise an overprint "fortress Lorient" on cover from "Groix 14.04.1945" to La Baule with arrival postmark on the back from 30.04.1945, the over franked letter became front- and on the reverse side with the censorship stamp the fortress Lorient from 17. April 1945 provided, each alongside signature censorship officer Schmitt, in the upper margin vertical bevel knick track - already before the affix, it is ever only this one with the existing stamp known, expertized Pickenpack and detailed expertise Lothar Herbst VP (2025) "the condition is perfect. The special stamp "liberation France" is therefore an unique piece and is one of the largest rarities the fortress post Lorient, like the occupation issues in the World War II. ", Michel 60.000.- - unique opportunity to acquire this large rarity!