This 2018-S US Mint Proof Set includes 10 brilliant coins with deep cam and all original government packaging. These coins are uncirculated and have not been graded. The set includes $1, 50C, 25C, 10C, 05D, and 01C denominations made of copper balance zinc manganese with a fineness of 0.9. The set was minted in San Francisco and is certified by the US Mint. The KM number is A202 and it was manufactured in the United States by Kasual Kollectibles.