Montana’s Most Trusted Name in Metals for Almost 50 Years! While the coin is dark, the details that are here are really fantastic. The environmental damage is hardly noticeable, but has caused a rather notable discount in price. This is an overall stunning coin, and we are more than confident it will make a fantastic addition to your collection! We understand that coin and currency grading is very subjective, so we encourage you to judge the grade of the coin or note for yourself with the pictures provided.