japanese air defense badge

Obverse 参加章 - Participation Badge 東江防護分團 - Agarie Air Raid Defense Corps /another possible reading of 東江 - Higashie/ reverse 近畿防空演習 - Kinki Air Defense Maneuvers 昭和力年七月 - July 1934

Photo courtesy of the owner. Obverse 防護 - Protection 金澤 - Kanazawa

Size 40 x 30.74 mm. Obverse 芝 for 芝區 - Shiba Ward /Shiba was a ward of Tokyo City from 1878 to 1947. It was merged with Akasaka and Azabu wards to form Minato ward on March 15, 1947/ reverse 芝區防空護團大演習記念 - Shiba Ward Air Defense Corps Large Maneuvers Commemorative 昭和八年八月 - August 1933

Badge with similar design from different district of Osaka https://asiamedals.info/threads/takaka-air-raid-defense-corps-1936-maneuvers-participation-commemorative-badge.24792/ Obverse 金塚防護分團 - Kanezuka (Sumiyoshi Ward, Osaka City) Air Raid Defense Corps reverse 昭和十年度 - 1935 防空演習参加記念章 -...

Badge with a similar design https://asiamedals.info/threads/1933-kanto-air-defense-maneuvers-shitaya-ward-air-raid-defense-corps-commemorative-badge.24805/ Badge in mint condition. Obverse 帝都 - Imperial Capital (i.e. Tokyo) 防護 - Air Raid Defense/Protection Well-worn specimens.

Badge size varies between 18 and 20 mm. "Early" badges. 1st variation. Reverse 賛助員會章 - Supporting Member of Association Badge 財團法人 - Foundation 大日本防空協會 - Dainippon Air Defense Association Hot enamel + light metal alloy. Original case. Size 55 x 45 mm. Another example of 1st...

The badge has the same design as special member badge https://asiamedals.info/threads/special-member-badge.23257/ Only suspension has reverse color scheme and reverse insciptions are different. Suspension of regular member badge. Suspension of special member badge. Early "heavy" badges...

Obverse 防空 - Air Defense 大阪防空学校 - Osaka Air Defense School

This design was used for badges issued by Shitaya Ward to participants of air defense maneuvers in Kanto area during 1930s. In 1936 badge with similar design was commissioned by Arakawa Ward Air Raid Defense Corps...

12-13 October, 1935. Obverse 御台覧 - Imperial Inspection 記念 - Commemorative Reverse 湊區防護團 - Minato Ward Air Defense Corps 平野分団 - Heiya Branch Case. Made by Hirayama workshop https://asiamedals.info/threads/badges-of-hirayama-shoukai-kobe.21361/

1st variation "Minamishinagawa". Size 45 х 32 mm. Obverse 南品川 - Minamishinagawa /Shinagawa Ward , Tokyo/ reverse 昭和八年 = 1933 品川區防護團南品川分團 - Shinagawa Ward Air Raid Defense Corps Minamishinagawa Branch 関東防空演習参加記念 - Kanto [region] Air Defense Maneuvers Participation Commemorative Another...

1st variation. Obverse 国防 - National Defense reverse marked with unidentified maker's mark.

Badges of this "family" bear only 防空 - Air Defense or 国防 - National Defense 1st stamp variation. 2nd stamp variation.

Nagoya city air defense badges. 1st variation. 防空 - Air Defense 防護 - Protection 名古屋 - Nagoya

Interesting family of numbered badges. Kanto Air Defense Maneuvers of 1933. No. 734