Reverse
同仁 - Doujin https://asiamedals.info/threads/doujinkai-history-badges-and-documents.29449/
Original case.
白寶星章- White Jewel/Treasure Star Badge
Badges were manufactured by the Kobayashi workshop in Tokyo /東京 小林製/ https://asiamedals.info/threads/bad...a-items-made-by-d-kobayashi-watch-shop.29462/