japanese air defense maneuvers badge

Length 39.5 mm. Width 29.6 mm. Weight 18 g. Reverse 関東防空大演習 - Kanto Air Defense Maneuvers 日本橋區第一分團 - Nihonbashi Ward [Air Defense Corps] 1st Branch See also merit badge issued by the same branch https://asiamedals.info/threads/osawa-flag-store-tokyo.22329/

Size 22 mm. Obverse 帝都防空協会 - Imperial City (i.e. Tokyo) Air Defense Association

Obverse 功勞章 - Merit Badge reverse 足立區防護團 - Adachi Ward Air Defense Corps 第一分團 - 1st Branch

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

Badge of the same design for the same Osaka Air Defense Maneuvers but from the different Corps https://asiamedals.info/threads/1937-air-defense-maneuvers-senba-air-defense-corps-participation-commemorative-badge.25019/ Obverse 防空参加記念章 - Air Defense Maneuvers Participation Commemorative...

Reverse 昭和九年七月 - July 1934 近畿防空演習 - Kinki Air Defense Maneuvers 参加記念章 - Participation Commemorative Badge 湊東区防護團 - Higashi-Minato Ward Air Defense Corps 第五分團 - 5th Branch

Badge with similar design https://asiamedals.info/threads/1937-osaka-air-defense-maneuvers-commemorative-participation-badge.23920/ Obverse Osaka City Emblem 田辺防護分團 - Tanabe Air Defense Corps reverse 昭和十一年 - 1936 防空演習参加記念章 - Air Defense Maneuvers Participation Commemorative Badge...

Photos courtesy of the owner. Obverse 毒 - Poison reverse 日本橋区防護團第一分團 - Nihonbashi Ward Air Defense Corps 1st Branch Original pin was lost.

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...

See also https://asiamedals.info/threads/1933-kanto-air-defense-maneuvers-yotsuya-ward-air-defense-corps-commemorative-badge.24784/ ; https://asiamedals.info/threads/1936-yotsuya-ward-air-defense-corps-sanko-town-branch-badge.26406/ Obverse 第一分團 - 1st Branch [of Air Raid Defense Corps] 防...

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

Badge with similar design https://asiamedals.info/threads/1937-air-defense-maneuvers-kobe-ward-air-defense-corps-yamate-branch-participation-commemorative-badge.25026/ Obverse 防空演習参加記念 - Air Defense Maneuvers Participation Commemorative reverse 兵庫区防護團 - Hyogo Ward Air Raid Defense Corps...

Obverse 鶴港 - Crane [Tsuru] Port (most likely 舞鶴港 - Maizuru Port) reverse 牛近區防護團鶴港分團 - Ushichika Ward Air Defense Corps Crane Port Branch Engraved セキ廾八 - Seki 28th 皇紀2596 =1936

Obverse 阪神防空演習参加記念章 - Hanshin Air Defense Maneuvers Participation Commemorative Badge 護 - Defense 中本防護分團第四支部 - Nakamoto Air Defense Corps Branch No.4 reverse 昭和十二年度 - 1937 家庭防空組会 - Household Air Defense Association 記念 - Commemorative

Obverse Osaka City Emblem reverse 大阪防空 - Osaka Air Defense 監視哨章 - Observation Post Badge 純銀 - pure silver

See also https://asiamedals.info/threads/1935-air-defense-maneuvers-toshima-ward-air-raid-defense-corps-nishisugamo-no-1-branch-participation-badge.25044/ Obverse Tokyo City Emblem with superimposed Army Star 防空演習参加章 - Air Defense Maneuvers Participation Badge reverse 豊島區防護團 - Toshima...

Obverse 関東防空演習 - Kanto [Region] Air Defense Maneuvers 参加章- Participation Badge reverse 皇紀二五九三年 - 1933 瀧野川區防護分團 - Takinogawa Ward Air 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

Obverse 防空 - Air Defense 参加章 - Participation Badge reverse 昭和十一年防空演習 - 1936 Air Defense Maneuvers 荏原區第二分團 - Ebara Ward No.2 Branch 大阪市 - Osaka City