badge made by naigai medal works
exemplary employee badge
great japan weapons corporation
imperial japan badge
japanese weapons corporation badge
naigai medal works
内外徽章製作所
大日本兵器株式会社章
模範章
1935 badge.
Obverse
Stylized 青 for 青年團 - Youth League
reverse
模範章 - Exemplary [Model] Badge
昭和十年度 - 1935 (the year is punched)
京都市聨合青年團 - Kyoto City Union Youth League