After 3 weeks I got the wheels back, sand blasted and powder coated:


They look ok i think, not as glossy as I expected (in the photo they look glossier due to the light) but on the inside cylindrical area from close enough one can notice an "orange-skin" pattern (more visible in last photos. Somehow it's more in the looks than in the actual texture, that one feels rather flat. And on the contrary, the spokes are very flat, weird.
I also checked their authenticity according to Booth's instructions in the link above, they seem legit, "Borbet", "VW" all the other markings are there:
