Considering he's family, I can't help but put in a plug for my dad, Niels Qvist.
He, in my humble opinion makes some excellent leather work. Anything you want made, belts, sheaths, gun holsters, purses, checkbooks, you name it.
All handmade construction, oak/vegetable-tanned leather, handstitching with a raylene thread that won't rot and so on.
Here's a link with a bunch of pictures of his work.
http://albums.photopoint.com/j/AlbumIndex?u=219056&a=6578335
I didn't do any of the leather work in those pictures, but I did do two of the knives.
Any kind of decoration can be put on the sheath, or it can be left plain.
Up to you. If you like what you see and would like to know more, send me an email and I'll get back to you.
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Regards
Joshua "Kage" Calvert
"Move like Water, strike like Thunder..."