Any Information On My Katana?

[Loganmitchell36]

So I have been looking for information about something my grandpa handed down to me.

He acquired the katana from his brother who got it from a guy who owed him money and he had brought these home after he got back from WW2 and they settled on a "trade" for two of these katanas.
My Grandpas brother then gave one to my Grandpa and this all happened very shortly after he got home (within a year) from the war so i know the sword is old regardless.
I know for sure that the only time the sword was sharpened by any of us was back when my grandpa first got it. He sharpened it on a wet stone and did very little as far as using it because he cut his hand open and it resumed to spend the rest of its years in the back of his closet until i came along and was snooping around and was bright eyed and astonished to find this as a little kid. I would go in his room and every time i would open it farther and farther.
Fast forward to today, this is all the information i have on it but the strange thing to me is i can not for the life of me find anything else on this blade besides the number 2 stamped in the side of the brass fitting/collar on end of the "sheath".
The handle and the outside of the "sheath" looks like very old leather and is very worn and minimally cracking and absent in some of the most worn parts.
The wood is visible where the leather is missing on the end of the handle and the inside of the sheath is also wood.
With the sword completely in the the sheath it measures 40 inches long. 28 3/4 from the tip of the blade to the cross guard. The handle is nearly 10 inches long. The extra 1 1/4 inches is in the end of the sheath where the blade obviously ends before the sheath. The blade is a hair over 3/16 thick at the base and slowly gets to 1/8 except for about 2 inches from the tip of the sword it increases very smoothly to 3/16 before coming to a tip.
The sheath releases from a brass button on the handle which i found to be very odd but it was because the brass piece on the open end of the sheath had been pulled out so in the pictures i show the sheath with and without the brass fitting. The sheath also has a brass circle ring attached to another ring that is part of a metal band (half an inch wide) that wraps around the sheath underneath the leather and looks to be used as an additional way to carry it or a way to hook it to your belt. I have not sharpened it at all and i haven't touched the pins in the handle.
Im just looking for any information. Thanks

 

http://imgur.com/gallery/jLsSf?lr=0

 

^Here are the pictures i took of it last night.

[Jean]

Logan,

 

Please remove the peg of the handle and the handle and show us some pictures of the tang. If any information available, they are on the tang.

 

The collar as you name it, which is the habaki in Japanese, looks very strange.

[Kai-Gunto]

Not real Japanese sword. Sold to the troops from local people. Looks like something made in Burma!

[Kai-Gunto]

Logan,

Please remove the peg of the handle and the handle and show us some pictures of the tang. If any information available, they are on the tang.

The collar as you name it, which is the habaki in Japanese, looks very strange.

The collar is the scabbard mouth , theres no habaki. All real Japanese swords has one, this hasnt!