6 Pfg worker in of the rare colour blackish bluish violet, as rotary printing, in the complete sheets with 100 stamps. 3 stamps (field 4, 86 and 95) with color traces of the near the print beneath lying curve, at bottom margin of sheet a few tip separated, otherwise perfect mint never hinged, unfolded, and unnumerated, expertized and reverse on the fields 1, 10, 91, and 100 on the base signed High man. Michel for the complete sheets 6.500.-