Badge of a similar design https://asiamedals.info/threads/shiba-ward-1st-branch-air-defense-maneuvers-commemorative-badges.23294/.
Specimen from the collection of Raymond LaBar. Photos courtesy of the owner.
Obverse
in the center
防空 - Air Defense
on the rays
下田端 - Shimodabata
防護分團 -...
1935 three cities joint air defense maneuvers
1935年三市聯合演習下田端分團参加章
1936 three cities joint air defense maneuvers
1936年三市聯合演習下田端分團参加章
japanese air defense commemorative badge
japanese air defense corps badge
shimodabata air defense corps branch badge
three cities joint air defense maneuvers badge
