1 Jun 1868 to 31 March 1869, North German Union Agreement
for unpaid letters: 81 öre, direct steamer to Germany
99 öre, closed mail via England
Part payment credited at 4 öre per cent.(a double rate letter partly prepaid 15 c with part payment not credited is known)
Postage due paid in cash.
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Direct steamer to Germany. Unpaid double rate letter.