1875 (22 March) blue envelope addressed to "Yedo, Japan", bearing 1873-80 1/- green, plate 10, tied by "OBAN" duplex, showing on reverse black "BUNESSAN" and "HONG KONG/SINGAPORE TO/HONG KONG/MARINE SORTER" c.d.s's and blue "YOKOHAMA"; some ink doodles on reverse and short note on address panel, some perimeter faults