1920 - 1959, mint never hinged and cancelled, double led a little specialized collection, with numerous good and sought-after issues and special feature like Michel no. 14 a I W upper margin mint never hinged (Michel 1.400.-) with photo certificate Burger BPP, 14 a I used with photo certificate Burger BPP, 16 I W upper margin mint never hinged (Michel 1.000.-) expertized Burger BPP, 18 / 31 mint never hinged expertized Burger BPP with 2 photo certificates, 84 / 97 mint never hinged, 144 / 50 mint never hinged expertized Ney BPP, 151 / 57 mint never hinged expertized Ney BPP, 161 / 67 mint never hinged with photo certificate Ney BPP, 168 / 70 mint never hinged expertized Hoffmann BPP, 171 / 77 used expertized Ney BPP, 206 / 25 Br in blocks of four from the corner mint never hinged, souvenir sheet 1/2 mint never hinged with photo certificate Ney BPP, 262 / 63 used as well 297 / 98 mint never hinged and used, all important expertized, very nice quality collection, with a lot of meticulousness and effort from a demanding collector formed and in consistently good condition, high-value collection from collector's estate in 2 stock books