1: Introduction Discover the most valuable American coins still in circulation. From rare pennies to quarters, these coins could be hiding in your pocket.

2: Wheat Pennies Wheat pennies minted between 1909 and 1958 are highly sought after by collectors. Look for the 1943 copper penny, worth up to $10,000.

3: Silver Quarters Silver quarters minted before 1965 are worth more than their face value due to their silver content. Keep an eye out for the 1932-D Washington quarter.

4: Kennedy Half Dollars The 1964 Kennedy half dollar is made of 90% silver and can fetch a nice premium. Look for coins in mint condition for the highest value.

5: Roosevelt Dimes Certain Roosevelt dimes minted before 1964 are made of 90% silver and can be worth more than 10 cents. Check for coins with full bands on the torch.

6: Buffalo Nickels Buffalo nickels minted from 1913 to 1938 are popular among collectors. The 1913-S Type 2 nickel is considered one of the most valuable.

7: Mercury Dimes Mercury dimes minted between 1916 and 1945 are prized for their design and silver content. Look for coins with a full split band on the fasces.

8: Standing Liberty Quarters Standing Liberty quarters minted from 1916 to 1930 are highly collectible. The 1916 Standing Liberty quarter with a full head is the most valuable.

9: Conclusion Keep an eye out for these valuable American coins in your spare change. You never know when you might stumble upon a rare treasure worth more than face value.