30 Centimes Merkur head (original stamp Michel number 381) and 1, 20 Fr. \"marshal Petain\" each with hand stamp overprint \"fortress Lorient\", properly franked mixed franking on cover from fortress Lorient from 5.02.1945 to La Baule with arrival postmark from 12.02.1945, documents with Michel number A2 (to extensive research first in the year 2017 catalogued) are very rare, expertized Calves, Pickenpack BPP and expertise Lothar Herbst VP (2023) : \"the condition is perfect. The stamps have only very few editions (Michel number 2 and A2 together 600 piece, of it is the essential rare the A2, Michel number 9 = 180 piece). The letter is very rare. \", Michel 2.900.-+plus