The 2016 United States Mint Limited Edition Silver Proof Set is a highly sought-after collection of coins minted in San Francisco. These coins are made of 90% silver and have a proof finish, making them ideal for collectors and investors. Each set includes coins with a grade of PR 70 from the U. Mint, ensuring their quality and authenticity. This limited edition set from 2016 is a valuable addition to any coin collection, showcasing the craftsmanship and beauty of American coins.