I don't know if the Mint has a name for it. Eric Von Klinger of Coin World's Collector's Clearinghouse has given the name "ridge rings" to the...
This is a form of die deterioration. It usually develops in dies that have been striking zinc cents, but occasionally appears in other years and...
Sometimes die deterioration takes very unusual forms. Incuse doubling is one of them. I have a quarter with extensive incuse doubling and I have...
Die deterioration doubling. There is no value attached to this common form of doubling.
Die cracks, most definitely. Given their severity, I would think it increases the coin's value at least a little bit.
This appearance is the result of intentional die abrasion ("die polishing"). The surface was abraded to get rid of superficial damage, perhaps...
This is most likely a copper-alloy cent, not a copper-plated zinc cent. Lamination errors are very common on solid alloy cents. They are quite...
I'm not sure in this case if it's a doubled die or mechanical doubling. Although there isn't classic shelving, the height differential is...
Nickels are not "silver plated". They are a solid alloy of 75% copper and 25% nickel. Your coin could have an added layer of copper that is...
The coin was damaged outside the mint.
Sounds like you have an off-center strike with a mirror brockage on the reverse. This error occurs when a coin remains in the striking chamber...
Misalignments as great as 40% exist among U.S. coins. They are exceptionally rare, however.
It is a nickel that was struck on a cent planchet. Depending on the date, these are worth between $175 and $225 in uncirculated condition.
Since the weight and diameter is normal, the extra thickness must be due to finning, perhaps supplemented by design rim gutters a little deeper...
The bust seems devoid of fine details. But the bust does not have the expected appearance of a filled die. I'm wondering if the coin is simply...
If errors are your primary focus, you might enjoy visiting the group that I host and where I spend most of my time....
I have little doubt that this is a filled die error. They commonly affect the date (principally the "4") on steel cents. I've always found this...
No doubt about it. Clashed dies.
The explanation would have to be die deterioration, then. It can sometimes assume a very strange appearance. Maybe there was something abnormal...
It could be a strike-through error.
Separate names with a comma.
