Dainippon Air Defense Association Yamanashi Prefecture Branch Merit Badge/大日本防空協会山梨縣支部鰍澤部会功勞章

Obverse

功勞 - Merit

reverse

大日本防空協會 - Dainippon Air Defense Association

山梨縣支部 - Yamanashi Prefecture Branch

鰍澤部會 - Kajikazawa Town Branch of Association

Interesting that 部 is actually stamped over different kanji.

Case with label of Naigai Medal Co.