Is 100 Mills .999 fine gold real? | Yoo Answers
21/01/2013#0183;#32;I''d say they are a scam but they do mention that the coating is only 100 mills. The problem is that very few people actually know what ''100 mills'' is or refers to. This ''100 mill'' coating is literally a few goldatoms thick. The core metal in the bar or coin is usually copper. They have almost no value most of that value is for the copper