Approximate. 1949-1990, extensive inventory in 10 letter albums, as well a First Day Cover collection 1949 / 90 with useful official first day covers amongst other things 61 / 63, 71, 74, 80 / 81, furthermore no. 72 / 3 on commemorative card, 87 and following, places of interest se-tenants complete (First use), postal stationeries, album commercially used letters with only Berlin buildings and bells issues as well Lufthansa first flight documents with Federal Republic of Germany / Berlin frankings from the early years 1955 / 58, and so on.