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...
1934 kinki airdefensemaneuversbadgeairdefense corps commemorative badgeairdefensemaneuversbadgejapaneseairdefensemaneuversbadge
kitaurae airdefense corps branch badge
toyo medal works
東洋徽章製作所
近畿防空演習北浦江防護分團参加記念章
近畿防空演習参加記念章
近畿防空演習記念章
防空演習参加記念章
Obverse
Tokyo City Emblem with superimposed Army Star
reverse
昭和十四年三月 - March, 1939
解團 - Solving Team
記念 - Commemorative
豊島區防護團 - Toyoshima Ward Air Raid Defense Corps
西巣鴨第四分團 - Nishisugamo No.4 Branch
airdefenseairdefensemaneuversbadgeair raid defense corps commemorative badgejapaneseairdefensemaneuversjapaneseairdefensemaneuversbadge
toyoshima ward air raid defense corps badge
豊島區防護團西巣鴨第四分團記念章
See also https://asiamedals.info/threads/shinagawa-ward-air-raid-defense-corps-kitashinagawa-branch-merit-badge.25042/
Obverse
防空演習 - Air Defense Maneuvers
参加章 - Participation Badge
reverse
昭和九年九月一日二日 - September 1-2, 1934
品川區防護團 - Shinagawa Ward Air Raid Defense Corps
北品川分團 -...
See also https://asiamedals.info/threads/1933-kanto-large-air-defense-maneuvers-takinogawa-ward-air-defense-corps-participation-commemorative-watch-fob.27515/ ;
Koishikawa Ward Air Defense Corps badges...
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
airdefense corps commemorative badgeairdefensemaneuversbadgejapaneseairdefensemaneuversbadge
kasai branch of edogawa ward airdefense corps
葛西分團江戸川區防護創立四周年記念章
1937 united large airdefensemaneuversbadge
1937年度聯合防空大演習本郷區防護團出動記念章
airdefensemaneuversbadge
hongo ward airdefense corps dispatch badgejapaneseairdefensemaneuversbadge
昭和十二年度聯合防空大演習本郷區防護團出動記念章
防空大演習記念章
See also https://asiamedals.info/threads/1934-kansai-air-defense-maneuvers-han-ai-air-raid-defense-corps-commemorative-badge.24821/
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Obverse
青 for 青年團 - Youth League
reverse
昭和九年七月 - July 1934
近畿防空大演習 - Kansai [Region] Large Air Defense Maneuvers
愛日防護分團参加記念 - Aika Air Defense Corps...
1934 kansai large airdefensemaneuversbadge
aika youth league commemorative badgeairdefensemaneuversbadgejapaneseairdefensemaneuversbadge
近畿防空大演習参加記念章
近畿防空大演習愛日青年團愛日防護分團参加記念章
防空大演習参加記念章
See also https://asiamedals.info/threads/1937-mukojima-ward-air-raid-defense-corps-2nd-terashima-branch-diligent-service-badge.29131/ ; https://asiamedals.info/threads/1935-air-defense-maneuvers-mukojima-ward-air-raid-defense-corps-participation-badge.29130/.
Size 30 x 20 mm.
Obverse
Tokyo...
Badge of similar design https://asiamedals.info/threads/narihira-branch-5th-air-defense-maneuvers-participation-badge.24825/
Obverse
防空 - Air Defense
reverse
昭和十一年度三市連合防空演習 - 1936 Three Cities Union Air Defense Maneuvers
参加章 - Participation Badge
東京市滝野川區防護團 - Tokyo City Takinogawa...