This set consists of ten coins : Illinois, Alabama, Maine, Missouri and Arkansas Quarters all are struck from 90% Silver. The Kennedy half and the Dime are also struck from 90% Silver,then the Nickle and the Cent and the Desirable $1.00 coin (SACAGAWEA) in a Proof Condition. All coins are of superb GEM PROOF QUALITY and come in the original box with the COA's as issued from the US Mint. Each coin has "S" mark as they were minted at the San Francisco Mint. The 1999 set is in high demand and these will be next in line as the the collectors keep on increasing. These sets have a very low mintage, and a lot of which have been broken up for either grading purposes or selling the coins individually.