The 1998 S Silver Proof Set is a collection of uncirculated silver coins struck with a proof finish. This set includes coins of various denominations such as. 50, all made with a 90% silver composition. Minted in San Francisco by the United States Mint, these coins come uncertified and ungraded, providing collectors with a valuable addition to their coin collection. THIS WILL ALSO ALLOW ME TO BRING QUALITY MATERIAL AT REASONABLE PRICES.