A coin can be worth a ton of money -- a pretty penny, one might say -- if it's rare and has enough historical significance.

The half dollar is one of the most popular U.S. coins to collect. Though many aren't worth more than their face value, older ...

Here are five coins that could net you considerably more than their original value: Produced between 1794 and 1795, this coin closely resembles the Spanish dollar ... worth. One of these coins ...

When President Donald Trump announced his intention to eliminate the penny Sunday, he cited the rising cost of producing the coin. Data from the U.S. Treasury shows it’s not the only coin that costs ...

Errors increase the value of collectibles because a limited ... The alloy had a gold tint that was eventually used for the one-dollar Sacagawea coins that came out in 2000.

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).