cover -- 1869-73 entires from Londdon to Yokohama the first "Via Marseilles" bearing 2d. blue and 4d. vermilion (4, one defective) showing Br. P.O. arrival c.d.s. in black and similar 1873 (21 Mar.) entire letter via Hong Kong bearing 3d. rose (5) showing transit and Br. P.O. arrival c.d.s. (in blue) on reverse.(2)