These badges/medals were manufactured by Nagawa workshop, Tokyo
Badges, watch fobs and plaquettes made by Nagawa Medal Works/名川徽章製作所
Founded in 1927 and still active today. Standard workshop labels.
![asiamedals.info](https://asiamedals.info/data/assets/logo/favicon-32x32.png)
Three classes are known for today.
Blue ribbon = 5th class
Orange ribbon = 4th class
Green ribbon = 3rd class
![38.jpg 38.jpg](https://asiamedals.info/data/attachments/324/324055-c0c9f79946497f62d12325b154d87509.jpg)
![36.jpg 36.jpg](https://asiamedals.info/data/attachments/324/324056-26adfc140d6a7f55f7699a9476921a83.jpg)
![39.jpg 39.jpg](https://asiamedals.info/data/attachments/324/324057-8514f651c1905b929cdab6614b71a98c.jpg)
![37.jpg 37.jpg](https://asiamedals.info/data/attachments/324/324058-54f33604544fcdd9762e3ade717be9d3.jpg)
Regarding two badges at the top
Maritime Self-Defense Force 4th Fleet Air Wing Badge/海上自衛隊 第4航空群章
Reverse 第4航空群 - Fleet Air Wing 4 https://en.wikipedia.org/wiki/Fleet_Air_Wing_4_(JMSDF) Original case. 海上自衛隊 - Maritime Self-Defense Force 第4航空群章 - 4th Fleet Air Wing Badge These badges were manufactured by Nagawa workshop in Tokyo...
![asiamedals.info](https://asiamedals.info/data/assets/logo/favicon-32x32.png)