If this bike is important for its familial history, I say re-plate it if you desire. It's not about the money. You can put the money in your will, or you can put the bike in your will. No difference. The easy part of chrome is the chrome. The hard part is the stripping, the copper plating, and the polishing. Once that is done, the nickel coats all that work for the shine. Nickel tarnishes. Chrome is just another coating over what's already shiny. Do NOT go with the cheap guy. He'll give you garbage. There are plating houses that have earned a reputation for good work because of their good work. Always specify the amount of attention needed on each part. "Don't round this. These must fit. Both sides show."
Let's see the pics.