80 C. Postal stamp green with overprint \"fortress Lorient\" with additional overprint on the margin of sheet, corner margin lower right (field 100) with date of printing \"26.1.42\" the original stamp, impeccable mint never hinged, unsigned, photo expertize Lothar Herbst VP (2015) : \"the condition is perfect. Due to the small issue from only 300 stamps are these very rare. Stamps with date of printing (field 100) are only approximate 3 time possible and are therefore extremely rare. \"