Hong Kong. (Singapore - Trans-Atlantic Mail). 1865. Stamp-less envelope written from Hong Kong dated 'April 15th 1865' addressed to Boston, United States of America, endorsed 'via Marseille', rated '1/11' in red crayon, routed via Singapore with oval 'Forwarded By/ Boustead & Co/ Singapore' on reverse in blue-green with Singapore/ P.O. in red transit and London/ Paid 'May 27' with Boston B.R. Pkt./ 5' arrival on face '9th June'. Attractive item of Trans-Atlantic mail from Hong Kong forwarded via Singapore and London to Boston.