What WWII war medal is this box for?

[bldrhouse]

I believe it is for Pacific rather than China/Manchuria war, but no idea.

thank youi.

 

[Majestic]

Same/Similar one as this.
建国功労章
Kenkoku Kōrōshō
Medal in Service of National Foundation of Manchukuo

A Manchukuo National Foundation Merit Medal - Manchukuo - Japan - Asia

A Manchukuo National Foundation Merit Medal - Blackened bronze with silvered characters, 30 mm, on original ribbon with hook and eye, contact marks, on the reverse, bruised, very fine. In its hardshelled case of issue, balsa wood frame, black lacquer fini

www.emedals.com

記念章 - Wikipedia

ja.wikipedia.org

 

[bldrhouse]

Same/Similar one as this.
建国功労章
Kenkoku Kōrōshō
Medal in Service of National Foundation of Manchukuo

A Manchukuo National Foundation Merit Medal - Manchukuo - Japan - Asia

A Manchukuo National Foundation Merit Medal - Blackened bronze with silvered characters, 30 mm, on original ribbon with hook and eye, contact marks, on the reverse, bruised, very fine. In its hardshelled case of issue, balsa wood frame, black lacquer fini

www.emedals.com

記念章 - Wikipedia

ja.wikipedia.org

thank you; another gift from this website and it's participants!