Empire of Japan

     The stamps shows the extent of the Japanese Empire at the end of 1930 in a darker color. It includes Japan proper, Korea, Sakhalin Island, the Kuril Islands, the Ryukyu Islands, Nampo Shoto, the Northern Mariana Islands, and the Yap Islands, including such islands as Okinawa, Iwo Jima, Saipan, Tinian and Guam. The stamp was issued in 1930 with another with the same design to mark the second census of the Japanese Empire.

Real Estate Registry

     The stamp was issued in1987 to commemorate the centennial of the registry system in Japan.

     The stamp below was issued in 1991 to recognize the International Symposium on Environmental Change and Geographical Information. The stamp commemorates the GIS (Geographical Information System) which developed automated mapping from data bases, and made the exchange of computer data possiible.