If you have any in your collection, you’ll want to be able to single out the ones worth more than ten pretty pennies. Here are some key takeaways: Most U.S. coins sport a mint mark — a P for ...

Per the latest U.S. Mint report, it costs less than six cents to make a dime ($0.0576). To make a quarter, it cost about 15 cents ($0.1468), and nearly 34 cents for a half-dollar ($0.3397).

Just about all of the coins you will come across in your lifetime are worth what they say they are worth — a half dollar is worth 50 cents, a quarter is worth 25 cents, and on down the line.