japanese air defense badge

Size 33.44 x 24.16 mm. Weight 9.9 g. Obverse Inside Tokyo emblem 記念 - Commemorative under antiaircraft guns 防空 - Air Defense reverse 防空演習参加章 - Air Defense Maneuvers Participation Badge 東京市下谷區 - Shimotani Ward, Tokyo 昭和十二年度 - 1937

3rd Imperial Capital Air Defense Maneuvers Participation Commemorative Badge https://asiamedals.info/threads/shinagawa-ward-defense-corps-3rd-imperial-capital-air-defense-maneuvers-participation-commemorative-badge.24791/ Obverse 第四回帝都防空演習参加 - 4th Imperial Capital /i.e. Tokyo/ Air Defense...

Specimen from the collection of Raymond LaBar. Photos courtesy of the owner. Obverse 表彰 - Award/Commendation reverse 神奈川縣 - Kanagawa Prefecture

Specimen from the collection of Raymond LaBar. Photos courtesy of the owner. Obverse 記念章 - Commemorative Badge

Obverse 防 - Defense reverse 関東防空大演習参加章 - Kanto Air Defense Large Maneuvers Participation Badge 干束分團 - Hitaba Branch Team /Bundan; Subsection/ 昭和八年八月 - August 1933

Specimen from the collection of Raymond LaBar. Photos courtesy of the owner. Obverse Yamaguchi prefecture emblem /two stylized kanji 山口/ 防空 - Air Defense reverse 修了之章 - Completion Badge 山口縣防空學校 - Yamaguchi Prefecture Air Defense School

Even the dog and horse are wearing gas masks. Size 25 mm. Reverse 昭和十ー年六月二十七日二十八日 - June 27th and 28th, 1936 防空宣傳 - Propaganda/Promotion of Air Defense 催物行列行進参加記念 - Commemoration of Participation in the Parade 東京聯合防護團 - Tokyo United Air Defense Corps

Obverse 博 - Hiroshi 銃後を護る - Homefront Protection

Another badge of Yokohama City Naka Ward https://asiamedals.info/threads/yokohama-city-naka-ward-air-defense-corps-ooka-joint-group-badge.27536/ Specimen from the collection of Raymond LaBar. Photos courtesy of the owner. Reverse 横浜市中區防護團幹部備習修ア章 - Yokohama City Naka Ward Air Defense Corps...

See also another badge with similar design https://asiamedals.info/threads/1936-yokohama-city-naka-ward-air-defense-corps-officer-preparatory-training-badge-a.27535/ Specimen from the collection of Raymond LaBar. Photos courtesy of the owner. Reverse 關東防空大演習参加記青木聯合會 - Kanto Large Air...

See also https://asiamedals.info/threads/1933-kanto-large-air-defense-maneuvers-koishikawa-ward-air-defense-corps-participation-commemorative-badge.25039/ Size 34.5 x 30.5 mm. Thickness 2.6 mm. Obverse 關東防空大演習記念 - Kanto Large Air Defense Maneuvers 参加章 - Participation Badge reverse...

Specimen from the collection of Raymond LaBar. Photos courtesy of the owner. Obverse Army star + 守れ郷土の空を- Protect the Sky of Your Hometown Badge

Obverse Army star inside Tokyo city emblem 功 - Merit reverse 表彰 - Commendation 京橋區防護團 - Kyobashi Ward [Air] Defense Corps 昭和十四年二月十一日 - February 11, 1939 Original case. 表彰 - Commendation 京橋區防護團 - Kyobashi Ward [Air] Defense Corps Badges were manufactured by the Oki Medal Company...

Obverse Inside Tokyo emblem 防 - Defense reverse 中野區防護團 - Nakano Ward [Air] Defense Corps 第四分團 - 4th Team /Branch/ 功勞章 - Merit Badge 紀元二五九七年 - 1937

Specimen from the collection of Raymond LaBar. Photos courtesy of the owner. Obverse 防護團員 - Defense Corps Member reverse 神奈川區 - Kanagawa Ward 防護團員章 - Defense Corps Member's Badge

Obverse 中四 - Chūshi /4th Middle/ 大阪防諜委員会- Osaka Counterintelligence Committee Member Marked 純銀 - pure silver.

Specimen from the collection of Raymond LaBar. Photos courtesy of the owner. Obverse 記念章 - Commemorative Badge Army star inside Tokyo emblem. reverse 淀橋區防護團 - Yodobashi Ward Air Defense Corps 落合第一分團 - Ochiai No.1 Branch 昭和十一年十二月 - December 1936 分離記念 - Separation Commemorative

Specimen from the collection of Raymond LaBar. Photos courtesy of the owner. Obverse 近畿防空演習 - Kinki Air Defense Maneuvers 参加 - Participation 記念 - Commemorative 昭和九年七月 - July 1934 reverse 住吉区下茶屋 - Sumiyoshi Ward, Shimojaya 防護分團 - Air Raid Defense Corps Branch

Obverse 防空 - Air Defense 賞 - Award reverse 昭和十一年防空演習 - 1936 Air Defense Maneuvers 荏原區第二分團 - Ebaraku Ward [Tokyo] No.2 Air Defense Corps Branch

Badge with the same design but from a different Corps https://asiamedals.info/threads/1934-kinki-air-defense-maneuvers-kitaura-air-defense-corps-branch-participation-commemorative-badge.25054/ Obverse Emblem of Chudai Air Defense Corps Branch with 中 in the center 中大 - Chūdai 防畿 - Defense...