I think this is for 6 items that the top shows wear from being inside and it may have had a tray as well to secure them. Not too sure on the writting but hopo someone may beable to let me know box is about 12x10x10 inches.

one more photo

Looks like an ammunition box.
Steve

I know it says type 97 at the top. but grenades or fuses is the trick I think.. I do still need help if its out there.

It says "This is Captain Sakamoto's private supply of 1897 sake and if you touch it you will die"

Sorry, could not resist