Meiji Jingu Service Association Maintaining Member's Badge/戝團法人奉仕會維持會員章

Quality badge in silver.

Reverse reads

維持會員章 - Maintaining; Preserving [i.e. supporting] Member's Badge

戝團法人 奉仕會 - Foundation Service Association

The badge and suspension bear hallmarks "pure silver".

Original case.

 

Inside the box

東京市 - Tokyo

柴崎徽章製作所 - Shibasaki Medal Works

 

Another cased example.