Curiously, I may have seen him playing in a Beatles tribute band at Epcot (either him or the other top-notch faker-maker).
He's going to be doing a bit of work on one of my fakers sometime soon-ish.
AFAIK, all of the parts will be genuine ones.
As far as selling goes, I think it being a custom build means its original delivery wasn't a transgression of any laws, but the selling of it with logo was (though since it's a one-off sale by an individual there's be no mileage in pursuing them).