4, 50 Fr. \"Petain\" with overprint \"fortress Lorient\" in the colours dark blue violet and dark carmine pink, variety \"both overprints inverted\", used with violet censorship stamp \"fortress LORIENT / censorship\" and dated postmark 12. April 1945, on piece. The stamp became soaked off for expertizing and reattached, partly slightly shaded and the rosy overprint and endorsing ink through it washy causing, otherwise very fine. With a total issue from 70 piece is these overprint variety extremely rare! Signed Pickenpack and photo expertize Gerhard Krischke as well expertise Lothar Herbst VP: \"In this varieties variety is a the me so far only known piece, therefore is it most likely an unique piece. Michel number fictional, there still unlistet! \"