What is a die clash on a coin? Die clashes are a type of error coin resulting when two coin dies come strike each other without a coin between them. Coins with post-mint damage can sometimes be confused for die clash error coins. See the difference between die clash coins and PMD coins… and how much die clashes are worth.
Rare U.S. Coins
Interested in rare U.S. coins? Here, coin experts are sharing their best tips for finding rare coins, error coins, and mistakes. See how to tell a rare coin from a fake one, current rare coin values, and how many rare coins actually exist.
Think you have some rare penny dates in your coin collection? Here are 23 of the most valuable rare Lincoln Memorial penny key dates you should be looking for — and how much they’re worth.
Find out here if you have a 2000 South Carolina quarter error coin! A list of 5 different South Carolina quarter errors to look for in your pocket change — plus, the current value of South Carolina error quarters.
Find a coin with a straight edge or a crescent-shaped edge? It may be a clipped planchet error coin that was mis-cut at the Mint! See the 4 types of clipped planchet error coins, how they’re made, and how much they’re worth.
Find coins with bubbles in them? Want to know if they’re just damaged or real error coins worth a lot of money? Here’s how to tell & how much they’re worth.
KEY COINS 101 – See what a key date coin is… What makes a key-date coin so rare… How key dates coins are different from semi-key dates. The most popular key coins & semi-key coins. And what better date coins are! Everything you want to know about rare key coins & how to identify them yourself. See if you have a key-date coin now!
Find out here if your quarter without ridges is a valuable quarter error or not. Plus, smooth edge quarter values for all broadstrike error quarters dated 1964 and newer.
What is an error penny — and how much are error pennies worth? Our penny error list shows you which penny errors to look for, common & rare error pennies, unique pennies that look like errors but are not, and how much they’re all worth!
All about coin rim errors and coin edge errors – how to spot them, how much they’re worth, the most valuable types of rim errors on coins, how to tell rim errors from rim damage
Do you know how to tell if a coin is an error? Use this Coin Error Guide to see a list of features you should be looking for when you’re trying to find valuable U.S. error coins.