1: Introduction Discover the world of valuable coins with our guide. From old to rare, these ten coins are worth a second look.

2: The 1943 Copper Penny Learn about the rare 1943 copper penny. Only a few in existence, with values reaching over a million dollars.

3: The 1974 Aluminum Penny Explore the 1974 aluminum penny. Mistakenly minted, with values soaring at auctions.

4: The 1955 Double Die Penny Uncover the 1955 double die penny. Known for its distinct doubled features, highly sought after by collectors.

5: The 1933 Double Eagle Gold Coin Delve into the 1933 double eagle gold coin. Infamous for being illegal to own, one sold for $7.59 million in 2002.

6: The 1794 Flowing Hair Silver Dollar Unearth the 1794 flowing hair silver dollar. One of the earliest US coins, rare and valuable to collectors.

7: The 1804 Draped Bust Silver Dollar Discover the 1804 draped bust silver dollar. Popular among collectors for its unique design and scarcity.

8: The 1913 Liberty Head Nickel Learn about the 1913 liberty head nickel. Mistakenly produced, with only five known to exist, fetching hefty prices.

9: The 1909-S VDB Lincoln Penny Uncover the 1909-S VDB Lincoln penny. Featuring Victor David Brenner's initials, highly collectible and valuable today.