Official army supplier from Tokyo.
Badges manufactured by the Izaburo Watanabe workshop/陸軍諸官衛御用 金屬 渡邉伊三郎
Army War College Gift Cufflinks/陸軍土官学校贈カフスボタン
Engraved 贈 - Gift 陸軍土官学校 - Army War College Marked 銀 - Silver Original case. Made by Watanabe, Tokyo https://asiamedals.info/threads/badges-manufactured-by-the-izaburo-watanabe-workshop.24424/
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Manchurian Incident Commemorative Badges and Watch Fobs/満州事変記念章
2nd type (different design of reverse). Obverse 満洲派遣 - Manchuria Dispatch 従軍記念章 - Military Service Commemorative Badge reverse (above) 満州事變 - Manchurian Incident 昭和六年九月十八日 - September 18, 1932 (in the center from right to the left) March 1, 1932 - Establishment of the Manchukuo State...
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