1804 Silver Dollar - Known as the "King of American Coins," this rare dollar coin is one of the most valuable in the world.
1933 Double Eagle - Only a few of these $20 gold coins exist, and they've fetched millions at auctions.
1913 Liberty Head Nickel - With only five known to exist, this coin is an American numismatic treasure.
1787 Brasher Doubloon - Minted by silversmith Ephraim Brasher, this early American gold coin is highly sought after.
1894-S Barber Dime - A limited mintage of this dime makes it extremely rare and valuable to collectors.
1794 Flowing Hair Silver Dollar - One of the first silver dollars minted by the United States, it's a piece of history.
1943 Copper Penny - A few rare copper pennies were struck in 1943 during a wartime shortage of copper.
1870-S Seated Liberty Dollar - With a low mintage and few survivors, this coin is a numismatic gem.
1927-D Saint-Gaudens Double Eagle - An extremely rare gold coin with beautiful design, considered a numismatic masterpiece
1796 Draped Bust Quarter - The first quarter dollar ever minted in the United States, highly prized by collectors.