A gallery for all Japanese unaffiliated (non-NPB) independent, semipro and university leagues pro game balls. There are also miscellaneous Japan game balls, world-renowned Koshien Tournament official baseballs, and promotional official leather pro-grade baseballs. Plus a few randoms that don’t really fit any of the above.
1920s-30s Mizuno University League. 2000s PBM League Professional Baseball Masters League. 2003 Tokyo Big6 League University 100th Anniversary Ball (Non-game Commemorative). 2010 Porter Yoshida Company 75th Anniversary Luggage Label Tokyo Japan. 2009–2013 Mizuno Kansai Independent Baseball League. 2018 Mizuno ENEOS Match Samurai Japan vs Australia National Team. 2010s–2020s Mizuno WBFJ Riseisha 履正社 Rectovenus Club. 2013–2021 SSK KWBL Kansai Womens Baseball League LUCKY LEAGUE.
2017–2021 Asics Samurai Japan National Team Baseball Practice Ball NPB 侍ジャパ. 2020s 20th Annual Ichiro Cup Tournament Toyoyama. 2022 (Mizuno?) The Meikyukai – Golden Players Club Baseball Classic, Okinawa. 2022 Mizuno Masters Baseball in Koshien 甲子園 Nishinomiya. 2020s Ichiko Sports Route Inn BCL Baseball Challenge League Ibaraki Astro Planets (X2). 2020s Unitex Kyushu Asia League Baseball Independent IPBL. 2023 Unitex JPBL Japan Independent League Grand Championship. 2025 Mizuno Baseball Team Ichiro Kobe Chiben vs WBJF Women’s Select Team Tournament Ball.