$40 each isn’t proper brass replating. Even powder coating would be more than that. Figure more like $150 each for a small job premium. The price goes down a bit if you have a large amount of replating work. But not by much, since small items are PIA fiddley to deal with. 15 isn’t a large job discount.

Leonard Plating in Nashville has done some jobs for a fellow old house owner. Not at $40. More like $140. Dropped off personally. Paul’s Chrome has done all of the chrome bumper parts for gear heads for years. I don’t know if they offer other finishes. But they are great.

I can’t see that price for real plating you better make sure what you are getting .