Hong Kong. (Treaty Ports - Netherlands). 1856. Stamp-less folded letter written from Canton dated 'Nov 13 1856' addressed to Amsterdam endorsed 'via Marseille' with Crown/ Paid at Hong Kong' on face in red with Hong Kong transit '14/11' on reverse, charged '2/-' with Amsterdam receiver 'Jan 3rd 1857' and rated '100' in m/s Dutch tax on face. Very fine double rate cover from Canton.
(Please ask for a better scan).