This Gem 2020 S Limited Edition Silver Proof Set is the perfect addition to any coin collection. The set includes exact coins from the pictures, along with a box and certificate of authenticity. The coins are made of. 90 fineness silver, and were minted in San Francisco. The coins are ungraded and have not been circulated, making them an excellent choice for collectors. The set is a great way to commemorate the 2020 Gem anniversary, and is sure to impress any coin enthusiast.