2014 United States Silver Proof Set 14 Coins Inside With Original Box And COA. The 2014 U.S. Silver Proof Sets are now available, so if you're a fan of these one-year-only collections of our country's current coins, you'll want to order this year's set today! You'll get all 14 of this year's coins struck in stunning Proof condition, including five America the Beautiful Quarters®, a Roosevelt Dime and Kennedy Half-Dollar in 90% pure silver, plus seven additional coins in Proof condition! Housed in their official packaging and accompanied by a Certificate of Authenticity from the U.S. Mint, this annual set is a perennial sellout, and a favorite of collectors new and old since they were first issued in 1992. Why? Because these one-year-only sets contain the absolute best of the best of U.S. coins! Proof struck coins are the ultimate in quality, beauty and value! Double-struck under intense pressure to bring out the high-relief details and dazzling luster, proofs have distinctive mirror-like backgrounds and frosted sculpted foregrounds. They are head and shoulders above your ordinary pocket change!