8 Pfennig to 25 Pfennig "Conference of the International Labour Organisation (ILO), Berlin" 1927, complete set of three values, in excellent condition, used, on small postal items, the highest value with a special postmark "Internationales Arbeitsamt", the 15 Pfennig value examined by Schlegel BPP, the 25 Pfennig value with photographic evidence from Hans-Dieter Schlegel (2004), Michel 250,-