Shizuoka Prefecture Branch of Greater Japan Civil Defense Association Merit Badge/財團法人 大日本警防協會静岡縣支部功勞章

1st variation (marked "pure silver").

Obverse

功 - Merit

reverse

財團法人 大日本警防協會 - Dai Nippon [Greater Japan] Keibō Kyōkai [Civil Defense Association]

静岡縣支部 - Shizuoka Prefecture Branch

Marked 純銀 - pure silver.

Original case.

 

2nd variation.

 

Design of this badge was borrowed from badges of Shizuoka Prefecture Firefighting Association https://asiamedals.info/threads/shizuoka-prefecture-firefighting-association-merit-badges.24747/