Early badges.
Base metal.
Hot enamel of nice quality.
Reverse
海軍協會 - Navy League
Note the form of the hook that is typical for the badges manufactured by Taishodo workshop https://asiamedals.info/threads/badges-and-other-products-of-taishodo-watch-shop-tokyo.15302/
Original case.
海軍協會 - Navy League
維持會員章 - Supporter Member's Badge
Two main manufacturers of these badges were Taishodo workshop https://asiamedals.info/threads/badges-and-other-products-of-taishodo-watch-shop-tokyo.15302/
and Akiba workshop https://asiamedals.info/threads/badges-and-watch-fobs-made-by-akiba-medals-tokyo-akiba.21820/
Base metal.
Hot enamel of nice quality.
Reverse
海軍協會 - Navy League
Note the form of the hook that is typical for the badges manufactured by Taishodo workshop https://asiamedals.info/threads/badges-and-other-products-of-taishodo-watch-shop-tokyo.15302/
Original case.
海軍協會 - Navy League
維持會員章 - Supporter Member's Badge
Two main manufacturers of these badges were Taishodo workshop https://asiamedals.info/threads/badges-and-other-products-of-taishodo-watch-shop-tokyo.15302/
and Akiba workshop https://asiamedals.info/threads/badges-and-watch-fobs-made-by-akiba-medals-tokyo-akiba.21820/