1898 - 1982 (ca.), Seven-volume collection, including over 200 letters (airmail, registered mail, FDC) and postal stationery, 13 letters before 1928, some with contents, including 204 B K miniature sheets, 209 A K II, 242 K, 263 K 494 F, 927-928 I,1041-1042 I etc. Cut parallel editions, units of corner margin pieces, partial perforations, in addition service, postage and compulsory surcharge stamps. The emphasis with the marks lies before 1961, FDC´s 1960er and 1970er years, partly somewhat foxing. (Image)