Specimen from the collection of Raymond LaBar. Photos courtesy of the owner.
Obverse
剣 for 剣道 - Kendo
reverse
中學 - Junior High School /most likely of Nihon University/
剣道部 - Kendo Club
2588 -1928
1928secondaryschoolkendoclubwatchfob1928年中學剣道部章
1928年日本大學中學校剣道部章
japanese kendoclub badge
japanese kendowatchfob
nihon university junior high schoolkendoclub
剣道部章