Search:

I can't be 100% sure but it looks like a typical case. The size is very telling it is unusual size for western straights, they go 6/8, then 7/8, 13/16 are pretty uncommon I believe. I have seen many...

Looks like a very nice blade, enjoy.

Looks nice, anything on the back of tang?
There were many made in Germany for Japan, unfortunately they do not say so on the boxes or tangs.
One thing I have noticed is the grinds are really good...