Pin was soldered upside down.
Obverse
防空 - Air Defense
reverse
昭和十二年七月 - July 1937
阪神防空演習参加記念 - Hansin Air Defense Maneuvers Participation Commemorative
鶴橋第三防護分團 - Tsuruhashi 3rd Branch of Air Defence Corps
大東分團 - Daito Branch
Obverse
防空 - Air Defense
reverse
昭和十二年七月 - July 1937
阪神防空演習参加記念 - Hansin Air Defense Maneuvers Participation Commemorative
鶴橋第三防護分團 - Tsuruhashi 3rd Branch of Air Defence Corps
大東分團 - Daito Branch