1, 20 franc Petain bright red brown postal stationery postcard with hand stamp overprint "fortress Lorient", used from Lorient 1. May. 1945 cancelled by censorship stamp and signature of the Censorship officer poste restante to Baule in the fortress St. Nazaire, the delivery between the both forts resulted to May 1945 by sea, because under-franked were uncirculated Nazaire 30 cent postage due as well 30 cent postage due and additional 1 franc post storage fee charged, this accordingly with postage meter postmark receipted, the postmark date corresponds the last postal transport between the forts, very fine, issued only 30 examples, expertized Pickenpack BPP, photo certificates Pickenpack BPP (1976) and autumn VP (2024) "the condition is perfect. the postcard is extremely rare.