1st variation.
Reverse
陸軍 - Army
大演習 - Large Maneuvers
昭和十一年 - 1936
Reverse also has map of Hokkaido,
Original case.
大演習記念 - Large Maneuvers Commemorative
Obverse
記念 - Commemoration
reverse
平陽鎭二十一号間國道建設掩護 - Pingyangzhen No. 21 National Highway Construction Protection
昭和十一年 = 1936 康徳三年 = 1936
満州國國務院國道局 - Manchukuo National Highway Bureau, General Affairs State Council
Original case.
Made by Sato General Partnership Company, Fukuoka...
Badge of a similar design https://asiamedals.info/threads/1935o1936-three-cities-joint-air-defense-maneuvers-commemorative-shimodabata-air-defense-corps-branch-participation-badge-1935-o1936.29793/.
Obverse
In the red enameled circle
防空 - Air Defense
Vertically
昭和九年防空演習記念 - 1934 Air...
1934
19361936 shiba ward air defense maneuvers
commemorative badge
japanese air defense badge
mikado medal works
mikado workshop
ミカド徽章製作所
一部分團
芝区昭和十一年防空演習記念章
Interesting badge from 1936.
Reverse
昭和一 一. 四.二五 - April, 25, 1936
米国出征従軍老兵會 - Veterans of Foreign Wars of the United States Society
https://en.wikipedia.org/wiki/Veterans_of_Foreign_Wars
Visit of the delegation of the American Veterans of Foreign Wars to Japan in 1936 was headed by the...
19361936 imperial reservist u.s.a. badge
commemorative badge
imperial military reservist association badge
japanese badge
japanese reservists association badge
u.s. veterans of foreign wars
役員招待紀念章
米国出征従軍老兵會