2000 Millennium Silver Proof Commemorative 25 Cents Quarter Coin Set. This full set of 12 sterling silver quarters contains a total of 2.1 troy ounces of pure silver. 175 troy ounces of pure silver per coin. The set is in excellent condition and comes in its original case as you will see in the photos. Please view the photo’s and judge the condition for yourself. Each raw coin is heat sealed in an acid free coin holder. All items are handled with care and packaged well! Please feel free to check out my outstanding feedback from others. Check out my other items. Be sure to add me to your favourites list. About Me: I’m Andy and I’ve been a coin collector since age 8. I opened Coins Of Canada for business and have been loving every moment of it.