cover 1879 (15 Mar.) mourning envelope ex the "Chamberlain" correspondence to Japan, bearing 1873-80 6d. grey Pl.16 clearly tied by "A25" duplex and showing, on reverse, "SINGAPORE/TO HONG KONG" marine sorter c.d.s. and Yokohama (British P.O.) d.s. A scarce franking. Photo
cover 1879 (15 Mar.) mourning envelope ex the "Chamberlain" correspondence to Japan, bearing 1873-80 6d. grey Pl.16 clearly tied by "A25" duplex and showing, on reverse, "SINGAPORE/TO HONG KONG" marine sorter c.d.s. and Yokohama (British P.O.) d.s. A scarce franking. Photo

Details
cover 1879 (15 Mar.) mourning envelope ex the "Chamberlain" correspondence to Japan, bearing 1873-80 6d. grey Pl.16 clearly tied by "A25" duplex and showing, on reverse, "SINGAPORE/TO HONG KONG" marine sorter c.d.s. and Yokohama (British P.O.) d.s. A scarce franking. Photo