1920 - 1925, unused / mint never hinged and cancelled, double led collection with many good values like Michel no. 29 used expertized Burger BPP, 84 / 97 mint never hinged and used (latter expertized Hoffmann BPP), 158 / 59 used and service 16 / 21 mint never hinged expertized Hoffmann BPP, all important expertized, nice and rich collection from abandonment of a collection in 2 stock books, high catalog value