8 penny \"Conference of the International Labour Office (IAA), Berlin\", complete sheet with 100 values, Original-HAN H 3247.27 and overprint HAN 7462.27, plate flaw I on field 34 as well the three overprint flaws on the following fields field 1, 57 and 88 - which only in a part of issue occur, mint never hinged, faultless condition, unsigned, photo expertize Hans Dieter Schlegel BPP \"the quality is perfect. \", exhibit for the large collection and hardly any available!