Obverse
義勇奉公 - Loyalty and Courage [Serve for the Nation with Loyalty and Courage; Spirit of National Duty and Service]
第二分團 - 2nd Branch (most likely Nihonbashi Ward, Tokyo...
1935 three city union airdefense maneuvers badgeairdefenseairdefense maneuvers badgejapaneseairdefensebadgejapanesebadge
mark 純銀
三市連合防空演習朝香近衛師團長宮殿下御視察記念章
三市連合防空演習記念章
Badge with a similar design https://asiamedals.info/threads/1934-kinki-air-defense-maneuvers-kite-design-participation-sommemorative-badges.24118/
Obverse
参加章 - Participation Badge
inside the emblem
集 for 集英 - Shūei
reverse
昭和十二年度 - 1937
集英防護分團 - Shūei [gathering of talented...
Badge was converted into a watch fob.
Reverse
昭和十二年度 - 1937
防空演習参加記念 - Air Defense Maneuvers Participation Commemorative
Engraved
粉賓第二區防護組合 - 2nd Konahin Ward Air Raid Defense Union
Interesting Korea-related badge and watch fob.
1st type.
Obverse
防空 - Air Defense
in the center
功 - Merit
reverse
京城府防護團 - Keijō Air Raid Defense Corps
Keijō, or Gyeongseong, was an administrative district of Chōsen that corresponds to the present Seoul, the capital of South Korea...
See also https://asiamedals.info/threads/1932-nami-ward-youth-league-military-training-badge.28621/
Obverse
並區 - Nami Ward
防護団 - Air Raid Defense Corps
reverse
昭和七年 - 1932
軍教章 - Military Training Badge
1932 nami ward air raid defense corps badge
1932年並區防護団軍教章
airdefenseairdefense maneuvers badgeairdefense maneuvers badges
air raid defense corps military training badgejapaneseairdefensebadge
nami ward military training badge
suginami ward air raid defense corps badge
昭和七年並區防護団軍教章
Yodobashi Ward Air Raid Defense Corps badge of a similar design https://asiamedals.info/threads/1936-1937-air-defense-maneuvers-yodobashi-ward-air-raid-defense-corps-participation-commemorative-badge-_.28825/
Badge with a similar design elements...
1936 united airdefense maneuvers badgeairdefenseairdefense maneuvers badges
japaneseairdefensebadgejapanesebadge
mark 純銀
nihonbashi ward air raid defense corps badge
日本橋區防護團第一分團連合防空演習参加章
防空演習参加章
Obverse
功 - Merit
Tokyo emblem with superimposed army star.
reverse
表彰 - Award
京橋区防護團 - Kyobashi Ward Air Raid Defense Corps
第一分團 - 1st Branch
昭和十四年四月 - April 1939
Original case.
表彰 - Award
京橋区防護團 - Kyobashi Ward Air Raid Defense Corps
第一分團 - 1st Branch
airdefenseairdefense maneuvers badges
air raid defense corps award badgejapaneseairdefensebadgejapanesebadge
kyobashi ward air raid defense corps badge
京橋区防護團第一分團表彰章
Badge with a similar design https://asiamedals.info/threads/imperial-capital-air-raid-defense-badge.23261/
関東防空演習記念 - Kanto Air Defense Maneuvers Commemorative
下谷区防護団 - Shitaya Ward Air Raid Defense Corps
昭和八年 - 1933
Obverse
参加章 - Participation Badge
reverse
昭和拾年七月 - July 1935
三市聯合防空演習 - Three City Union Air Defense Maneuvers
品川區防護團東大崎分團 - Shinagawa Ward Air Raid Defense Corps Higashiōsaka Branch