This 2017 US Mint San Francisco Reverse Proof set with original government packaging is a rare find for coin collectors. The set includes uncirculated $1, 50c, 25c, 10c, 5c, and 1c coins with a composition of clad copper and a fineness of 0.9. The strike type is proof and the set has not been graded. The KM number is 202a and the certification is from the US Mint. The set was sold by Kasual Kollectibles and is a great addition to any collection.