1 Oct 1871 to 31 Jun 1875, North German Union Agreement
for unpaid letters: 72 öre
Part payment credited at 4 öre per cent.
Postage due paid in cash befrore 1 Jan 1874, then by postage due stamps.
For further details and larger image, click on the item
Direct steamer to Germany. Double rate letter with 10 cent
Closed mail via England. Letter with 3 cent.