1860, cash more paid international letter with box cancel of 2 lines "STETTIN 15 8 (1860) " together with in red stiff law "12" (Sgr. ) paid postage, red single circle postmark "P. " (Paid) of the border post office Aachen and red tax cancel "10" over London, vorders. Mounted red single circle postmark "LONDON IT AU 17 60 PAID", to melbourne / Victoria / Australia to the there Prussian consulate. Reverse red single circle postmark "melbourne A OC 12 60" being an arrival postmark. Detailed certificate with photograph James van der Linden BPP "an interesting document with rare destination. " (former starting price 1500)