I think there is an interesting example of the shutters painted body color with just fwd surfaces showing chrome instead of the whole shell, the Silver-Arrows. It is subtle since the body color was silver grey.
I taped the pins on my shutters before dropping them off at the plater to keep them from getting chromed. I don’t know if they would take the tape off before processing but did it in hopes they realized the pins shouldn’t be chromed. I made the mistake of not doing that on the front vent windows and had fun trying to make them fit again without binding. Doing it on 40 little pin bushings would be a royal pain!