Japanese military paper money, denomination 100 yen, issued in 1945. These notes were used by the Imperial Japanese Government during World War II in occupied territories such as China and Hong Kong. Paper Money Details: Denomination: 100 yen. Date: Approximately 1945. Issuing Authority: Imperial Japanese Government (used in China and occupied territories). Design: The obverse features an image of a Japanese historical figure (likely Prince Shōtoku) and architectural landmarks, with a large red seal and Japanese text indicating it is "military currency".