Hong Kong Covers and Cancellations Marine Sorters — Type 2; 1874 (17 Apr.) Davis envelope to Hong Kong " via Brindisi" bearing G.B. 1873-80 3d. plate 12 and 1/- plate 9 tied by London E.C. duplex, the reverse with a light strike of Marine Sorter type d dated "MY 19/26 74". A good cover from this popular correspondence. Photo