Badge of the same design for the same Osaka Air Defense Maneuvers but for the different Corps https://asiamedals.info/threads/1937-air-defense-maneuvers-ainichi-air-defense-corps-participation-commemorative-badge.25191/
Size 32 x 40 mm.
Weight 16.3 g.
Obverse
防空参加記念章 - Air Defense Maneuvers...
1937 air defense maneuvers commemorative badge
1937年七月船場防護分団防空参加記念章
air defense maneuvers badge
japanese air defense badge
senba air defense corps commemorative badge
昭和12年7月関西の防空演習参加記念ピンバッジ
昭和十二年七月船場防護分団防空参加記念章
船場防護分団防空参加記念章
防空参加記念章
