Jemaine Clement's Russian Bass

Russia - Why Not?

In my previous post about Flight Of The Conchords I briefly mentioned Bret McKenzie's Casio DG-20 digital guitar. However, I'd been wondering, what is that retro-looking bass that Jemaine Clement plays? (See above left).

I've found a very similar looking Russian bass (above right) over at Cheesy Guitars in their Unidentified Guitars section. Unfortunately the only information we have is that it was made in a factory in Belarus. Still it narrows things down a bit, as I had previously suspected that Jemaine's bass was a Teisco or some other 60s/70s Japanese bass.

EDIT: It's a Kavkaz!