cover 1843 (27 July) entire letter to Dewsbury, Yorkshire, headed "H.M.S. Cornwallis. Hong Kong", marked "By the Overland Mail", rated "1/4"? and showing a very fine strike of the oval-framed 'HONGKONG/POST OFFICE" Royal Arms h.s. in red (just crossed at left by light filing fold) with London (9/10) and Dewsbury (10/10) c.d.s. on reverse. An interesting letter with notes regarding life on board ship, the opening of trade with China and a reference to the importance of Hong Kong.