1945 - 2010 (approximate. ), rich in substance letter stock with focal point on documents with reference "Dortmund" - either as Incoming Mail to Dortmund, or as cancellation, as well but also other with postage steps, telegrams, dispatching forms and so on, two large moving boxes with several hundreds covers, of these numerous as single lots on small auctions in the range of 10.- - 100.- Euro hammer price one acquired, including much "buildings German Demokratic Republik (East Germany)" - last issue, please check carefully.