I believe there are auto detailing places that can spray chrome and gold chrome. I think you can even do it yourself with products you can buy online but they're super expensive, especially for a 'one-time' thing. The auto detailing places aren't cheap either, but you might be able to get a quote for them if you show them what you're printing. In our city of about a million, and outlying areas, there are only two places that do it. Who knows if they send it out or do it locally.
TazMan2000