All three were made by Taishodo workshop https://asiamedals.info/threads/badges-watch-fobs-and-medals-made-by-taishodo-watch-shop.30041/.
Obverse
青 - Youth
reverses (from left to right)
秋季大運動會 - Autumn Big Sports Meeting
2587 - 1927
Marked 大勝堂 - Taishodo
秋季大運動會 - Autumn Big Sports...
1926
1926年1927年1929青秋季大運動会章
autumn youth big sports meeting award badge
badge made by taishodo
japanese sport badge
japanese youth league badge
taishodo watch shop
大勝堂
大勝堂時計店
