This is a 2020 US Silver Proof Set with a total of 10 coins, including a W reverse proof nickel. The set has not been circulated and comes with a complete box and COA. The coins are made of 0.9 fineness silver and were struck in San Francisco by the US Mint. The set is ungraded, but it is certified by the US Mint. This is a great addition to any coin collection and a must-have for any US coin enthusiast.