Badge that could be indirectly related to the family of Bereaved Family badges since Yasukuni Shrine was founded by Emperor Meiji in June 1869 to commemorate those who died in service of Japan, from the Boshin War of 1868–1869, to the two Sino-Japanese Wars, 1894–1895 and 1937–1945 respectively...
Obverse
遺族追遠會 - Bereaved Family Mourning Association
Case.
Badges were manufactured by the Mukoda workshop https://asiamedals.info/threads/badges-manufactured-by-the-mukoda-honten.25110