The 2014 S Limited Edition Silver Proof Set includes eight uncirculated proof coins minted in San Francisco by the U. Each coin is composed of 90% silver with a fineness of 0.9. This set comes with a Certificate of Authenticity and is housed in its original government packaging with the box and papers included. This collection is a valuable addition for any coin collector or enthusiast of American minted coins. Looks like the dime has slight toning.