Hong Kong Covers and Cancellations Military Mail 1883 (11 Dec.) envelope from a seaman on H.M.S. Linnet in " Canton" to the Royal Naval Barracks in Sheerness bearing G.B. 1881 1d. lilac (2) cancelled by "176" barred ovals with Hong Kong code "B" c.d.s. alongside; correctly countersigned by the commanding officer. With Sheerness arrival (16.1) on the reverse with some addition notation written on the envelope