1851/1929, used collection with emphasis on the issues up to 1870, this specialised with colours, perforations and special features, including Mi.-Nr. 1 (42x and on cover, 2 (4x, partly signed), 4 with private perforation Altona (FA Nielsen), 6 (9x), 11U (2x, once with FA Witschi), 14 (7x) and 15 (7x), condition from slightly faulty to fine
