The 2019 S U.S. Mint Proof Set is an 11 coin set featuring a special "W" Lincoln Proof Cent. This set includes coins with denominations of $1, 50 cents, 25 cents, 10 cents, 5 cents, and 1 cent, all composed of copper-nickel and struck in proof condition. Minted in San Francisco by the U.S. Mint, this set is a valuable addition for collectors interested in United States coins. The special "W" Lincoln Proof Cent adds a unique touch to this limited edition set.