Obverse
國威宣楊 - To Propagate National Prestige
第二分團 - 2nd Branch [of Air Raid Defense Corps]
reverse
日支事変之際 - On the Occasion of the China Incident
記念 - Commemorative
昭和十二年九月 - September 1937
関東防空演習 - Kanto [Region] Air Defense Maneuvers
日本橋区防護團 - Nihonbashi Ward Air Defense Corps
第二分團 - 2nd Branch
Marked 純銀 - pure silver.