And I'll say this, just because they live in Japan doesn't always mean the work will be any good.
This can’t be overemphasized, especially when it comes to tsukamae and tsukamaki. I often see people going oooh & aaah over tsukamaki that’s sub-standard, just because it was done in Japan; one has to study the fine details in-depth in order to being able to judge the quality (this, of course, is true for all traditional Japanese crafts).
Case in point: I recently needed to have the tsukamaki redone for an antique tsuka because the ito was disintegrating. I got talked into having it done by a “good but reasonably priced” tsukamaki-shi – I should have known better, if it sounds too good to be true, it usually is. The tsuka had very nicely “patinated”, high quality samegawa, and hosomaki-ito. I asked to have it done the same way, just in a different color, kodai-murasaki instead of black. When it came back, the ito was regular murasaki, and regular width. To cover up that it would have shown darker and lighter parts of the antique samegawa due to the difference in ito width, the craftsman had “cleaned” the samegawa, and had put a coat of amber lacquer over it. Furthermore, it was done in kata-tsumami-maki instead of moro-tsumami-maki, and the menuki weren’t placed correctly (even one or two mm up or down the tsuka can make a huge difference).
To make a long story short, the sword dealer who had brokered the tsukamaki was so embarrassed that he covered the cost himself, and sent me a nice gift box from one of the more expensive department stores as a consolation; however, nothing will bring back the beautiful luster of the antique samegawa. In my experience, good quality (regular) tsukamaki sets one back about 45,000 Yen, up to 80,000 Yen for top quality; multiply this by at least 1.5 for jabara-maki.
OTOH, while all kinds of amateurs try their hands on this in Japan – including some none-Japanese – it’s very difficult to find someone outside Japan who does at least decent work. And an economic truism in Japan is that anything done for a small charge isn't worth a jot. This field of collecting isn’t for the faint of heart …