1920 - 1939, unused / mint never hinged collection with a large number good values, as well Michel no. 79 unused expertized Dr. Petersen BPP, 141 / 50 expertized Klein BPP, 167 / 73 mint never hinged with photo certificate Huylmans BPP, 190 unused expertized Klein BPP, 206 mint never hinged expertized Klein BPP and 222 unused expertized Klein BPP, mostly in good condition, many expertized, very nice collection from abandonment of a collection on KABE preprinted pages, high catalog value