いわゆる「天保銭」

  1. Army War College Graduation Badge of Lieutenant-General Mamoru Iinuma

    Badge was made by Hattori workshop https://asiamedals.info/threads/army-war-college-graduation-badges-made-by-hattori-co-tokyo.23341/
  2. Army War College Graduation Badge: History and Original Line Drawings

    Formally introduced in August 1887. Earliest known official description of the badge from August 24, 1895. Obverse/reverse line drawings from 1912.
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