Mint 5-Coin Silver Proof Set is a magnificent addition to any coin collection. The set includes five uncirculated coins with a denomination of. Franklin, Washington and Roosevelt coins are made of 0.9 fineness silver and the Jefferson and Lincoln are copper and were minted in Philadelphia. The set comes with a U. Mint certification and is ungraded. It is a great opportunity to own a piece of United States history. Don’t miss out on this chance to add a beautiful set of coins to your collection.