How to tell a large date vs small date penny. See the value of 1982 small date penny, 1970 small date penny, 1960 small date penny - large date pennies too!
Trying to decide if your coin has machine doubling or is a doubled die? I can help! Examples of machine doubling vs. doubled dies and how much they're worth
Die clashes are a type of error coin resulting when two coin dies strike each other without a coin between them. Die clash error coins vs. coins with post-mint damage explained + How much die clashes are worth.
US mint coin sets from 2000 to 2009 include a lot of cool coins! See the coins included in uncirculated coin sets from the 2000s & what they're worth today.
Find a coin with a straight edge or crescent-shaped edge? Clipped planchet error coins are valuable mistakes from the Mint! See the 4 types of clipped planchet errors and how much they're worth.