air defense corps commemorative badge

Badge with similar design https://asiamedals.info/threads/air-defense-corps-branch-membership-badge.25027/ Obverse 防空 - Air Defense 團員之章 - [Air Defense Corps] Branch Member Badge reverse 大阪市旭區南城北 - Osaka City, Asahi Ward, Nanjohoku 家庭防空組合員 - Household Air Defense Union Member

Obverse 國威宣楊 - To Propagate National Prestige 第二分團 - 2nd Branch [of Air Raid Defense Corps] reverse 日支事変之際 - On the Occasion of the China Incident 記念 - Commemorative 昭和十二年九月 - September 1937 関東防空演習 - Kanto [Region] Air Defense Maneuvers 日本橋区防護團 - Nihonbashi Ward Air Defense Corps...

Obverse 防空 - Air Defense reverse 昭和十一年度 - 1936 防空演習記念 - Air Defense Maneuvers Commemorative 金港第一分團 - Kinkō 1st Branch of Air Raid Defense Corps

山彷分團第三回記念 - Yamaya Branch No.3 Commemorative 防空 - Air Defense

Reverse 関東地方防空演習 - Kanto Region Air Defense Maneuvers 防空 - Air Defense 参加 - Participation 記念章 - Commemorative Badge 昭和八年八月 - August 1933

Badge with the same design but from a different Corps https://asiamedals.info/threads/1934-kinki-air-defense-maneuvers-chudai-air-defense-corps-branch-participation-commemorative-badge.26509/ Obverse Emblem of Kitaura Air Defense Corps Branch with 北 in the center 北浦 - Kitaura 防畿 - Defense...

3rd maneuvers badge https://asiamedals.info/threads/1936-third-hanshin-air-defense-maneuvers-kitaurae-air-defense-corps-branch-participation-commemorative-badge.25049/ Obverse 防空 - Air Defense reverse 昭和十年十月 - October 1935 阪神防空演習 - Hanshin Air Defense Maneuvers 第二回 - 2nd 参加記念 -...

Obverse Tokyo City Emblem with superimposed Army Star 葛 for 葛西 - Kasai reverse 江戸川區防護 - Edogawa Ward Air Defense Corps 創立四周年 - 4th Anniversary of Founding 葛西分團 - Kasai Branch