Badge with similar design from different district of Osaka https://asiamedals.info/threads/kanezuka-air-raid-defense-corps-1935-maneuvers-participation-commemorative-badge.23265/
Obverse
田中防護分團 - Takaka (Minato Ward , Osaka City) Air Raid Defense Corps
reverse
昭和十一年度 - 1936
防空演習参加記念章 -...