have the top tele zinc plated & the bottom  & the middle  clip retainer  + the top clip  chromed only

Kiwidave is probably right. Coupla other thoughts.

I don't know for sure, but I think the plater will take the old chrome and copper platings off first, so by the time they get re-done, they'd be back to spec, but talk to the plater first, eh!

And be careful of the amount of polishing that gets done. Many years ago I had some hand controls done. They polished the master cylinder so much, they just about took all the flat mating area for banjo (on the brake line) away. It works, but it was close. I think you need to remember that the guys that do the polishing don't get paid a lot, and probably don't care a lot..... just my opinion.

Thanks blokes - I will talk to the plater first!

Wiz