Help german box.

[hasag]

Hello, I have been in possession of this wooden box with German inscriptions for years, but I cannot know what it belongs to. Happy holidays and a good year 2021.

 

[Bellifortis]

Hi @hasag,
I do not know which use the item in this box had. It only reads "Stahlplatte"= steelplate in english.
Bellifortis.

 

[hasag]

Thank you very much Belliforstis