Commemorative Edition of the Enthronement of His Majesty Emperor Heisei Published by the Geospatial Information Authority of Japan [Published November 12, 1990] This is a 1:10,000 scale map! The area covered is Shinjuku, Chiyoda Ward, and includes Shinjuku, Chiyoda, Chuo, Nihonbashi, etc. It's in beautiful condition, having been kept in storage!