While the chances of finding a multi-million-dollar coin in your attic are slim, there are still rare and valuable coins that might just be gathering dust in boxes or old coin collections passed down through generations
However, a few were mistakenly struck on copper planchets left over from the previous year. With only a handful of these copper pennies known to exist, finding one could be worth over $100,000, depending on its condition.
This error makes the coin highly desirable to collectors. While not as rare as some others on this list, with estimates of 20,000 to 24,000 produced, a 1955 Double Die in good condition can fetch thousands of dollars.
The 1877 Indian Head Penny is one of the key dates for collectors of this series, mainly because of its low mintage numbers. With only about 852,500 produced, it's considered the rarest Indian Head Penny.
It was the first year of the Mercury Dime series, but only the Denver Mint produced a significantly low number of dimes, making the 1916-D issue particularly rare. A coin in decent condition can be worth thousands, while those in near-mint or better condition can command tens of thousands.
Here are four rare coins that, while not as famous as the 1933 Saint-Gaudens Double Eagle or the 1913 Liberty Head Nickel, could still represent a significant find if discovered in your attic.