Silver, gilt.
Size 42.4 x 35.2 mm.
Hook was restored.
Case with a horizontally opening lid that is typical for these badges.
海軍 - Naval
大學卒業徽章 - Academy Graduation Badge
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imperial japanese navy academygraduation badge
japanese navalacademygraduation badge
japanese naval war college badge
navalacademygraduation badge
navalacademygraduation badge withslottedraysnavalacademygraduationbadgeswithslottedrays
海軍大学校卒業徽章
海軍大学校卒業章
海軍大學卒業徽章