12 cents? You think it's worth that much?? What's an ounce these days... a few hundred dollars? I'll bet 1 gram (about 1/28th of an ounce) would do a few dozen.
If 1 pound (454 grams) of gold cost $454, then 1 gram would be $1. And, if you could do 100 of them with a gram (maybe more), then it's worth about 1 cent each.