Whenever I need a convincing metal surface, I use Alsa's Mirrachrome. It's expensive, but they have in in their "Killer Kan" lineup now so you don't need an automotive HVLP gun to spray it. Like any chrome finish, you need a perfect gloss basecoat to make it worthwhile. After the chrome paint dries (and it flashes off quick) you need to add a clear coat to protect it. The clearcoat can be tinted any color you like. Here's a sample using a gold tint:
I used this same chrome paint for all sorts of things. Here's a couple of winning shots of some of my finished products: