1940 Great East Rowing Boat Voyage Organized by Osaka Mainichi Shimbun Badge/紀元二千六百年神武天皇御東行順路漕舟大航軍主催大阪毎日新聞社章
Reverse 神武天皇 - Emperor Jimmu 御東行順路漕舟大航軍 - Great East Rowing Boat Voyage 紀元二千六百年 - 1940 主催 - Sponsored/Organized by 大阪毎日新聞社 - Osaka Mainichi Shimbun Marked with Ikoma workshop mark https://asiamedals.info/threads/badges-marks-and-history-of-ikoma-workshop.20961 + 純銀 - pure silver. Emperor...
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