Obverse
錬成 - Rensei = Training; Drilling; Polishing/Strengthening Skills,
reverse
全國青年學校鍊成大會 - National Youth Schools Training Conference
參加章 - Participant's Badge
昭和十七年五•六月 - May/June 1942
大阪毎日新聞社 - Osaka Mainichi Shimbunsha https://asiamedals.info/threads/osaka-mainichi-shimbun-badges-and-watch-fobs.24611/
東京日日新間社 - Tokyo Nichi Nichi Shimbunsha https://asiamedals.info/threads/badge-and-watch-fobs-of-tokyo-nichi-nichi-shimbun.28956/