The 2005-s U.S. Proof Set is a complete and original collection of coins that have not been circulated, ensuring their pristine condition. Produced by the United States Mint, this set includes proof coins from the year 2005, struck in a proof finish. Each coin in the set is accompanied by a Certificate of Authenticity, adding to the value and collectibility of this sought-after collection for numismatists and coin enthusiasts alike.