Thought I`d post this link that I found of interest.
It needs translating from French but it scans ok.
[url="http://pulvoweb.chez-alice.fr/mavox/mavox.html"]Vox Custom Bass[/url]
These are probably Matsumoku but I don't think it's confirmed. Not that it matters, they're lovely MIJ through-necks, these are rare as the proverbial & I'd love to get my hands on one!
Jon.