Tokyo Imperial University Rifle Shooting Club Belt Buckle/皇紀2599年東京帝国大学小銃射撃部バックル

See also https://asiamedals.info/threads/shooting-badges-of-universities-and-schools.23375/#post-354576

東京帝国大学 - Tokyo Imperial University

小銃射撃部 - Rifle Shooting Club

二五九八 - 1938