Hong Kong Covers and Cancellations Military Mail 1872 (17 Oct.) blue envelope addressed to a lieutenant on H.M.B. Barrosa, China Station " via Brindisi" bearing G.B. 1867-80 3d. plate 8 and 1872-73 6d. chestnut plate 11 pair tied by Liverpool duplex; two vertical creases and some edge faults. Photo