Economy of Dresden flights are offered to Frankfurt, Munich, Düsseldorf, Vienna and Moscow. Furthermore, there are a lot of touristic flights especially to the Mediterranean Regions. There is a larger inner harbour in Dresden. The river Elbe waterway connects Dresden with the Hamburg Harbour and Prague. The Midland Canal offers an indirect connection to the Duisport (Duisburg harbour). Dresden is connected by some longer Bundesautobahns: The A 4 to Frankfurt and Cologne, the A 14 is running to Leipzig and Hannover, the A 13 is running to Berlin and the A 17 is running to Prague. The socialist enterprises had been inefficient already
Postage stamps and postal history of Hamburg which belonged to Denmark at that time, was delivered by a Hamburg postal agent, as there was a Hamburg postal agency on Heligoland. On 1 January 1852, Hamburg joined the German-Austrian Postal Union. Since 1866, Hamburg was part of the North German Confederation, which took over the postal service in the North German Postal District on 1 January 1868. The first postage stamps of the Hamburg City Post Office were introduced on 1 January 1859. They were rectangular and in the middle was the coat of arms of the city, overlaid with the value number. Below that is the word