Want to know how much your 1877 Indian Head penny is worth? Here are answers to your 1877 penny questions, values for this rare coin, info about 1877 replica pennies, and tips to avoid fakes.

Found a coin with an odd marking on it? It might be a counterstamp! This article will tell you what counterstamped coins are, why they exist, and how much they're worth.

Your weird looking coins might be error coins! Here's how to tell what's a legit error coin from the U.S. Mint (like the rare 1990 penny, valuable doubled die coins, and bubbled coins) and what's an...

Have a two-headed coin? Want to know what it's worth? Find out here! See examples of two-headed coins and two-tailed coins made by the U.S. Mint. Plus, other novelty coins like the the...

Challenge coins are not really coins. They're not made by the U.S. Mint, and they're not used as currency. Challenge coins first made their appearance during World War I. Here's the story behind...

The U.S. Mint's state quarter program began in 1999 and continued through 2008. In all, 50 statehood quarters were made -- one for each state in the United States. They were released into circulation...