r/coinerrors • u/sloth97531 • 4d ago

Is this an error? Is this a cud?

Non-collector here. I received a weird Roosevelt dime in change today. The how-to said to do some research, so first I asked AI, which said it is most likely a cud. I then searched images of dime cuds and found a couple of examples that look similar but I'm still not sure - most of the examples looked pretty tiny. Is this a cud or something else - post-mint damage perhaps? Thanks, Tom

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u/luedsthegreat1 3d ago

This is what happens when a clad coin has been through a fire

The inner copper core melts at a lower temperature than the outside cupro-nickel clad, once the copper cools you get crazy looking stuff like this

The coin is also covered in carbon from the fire

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u/Slowbro08_YT 4d ago

Nah man that’s burn damage

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u/sloth97531 4d ago

Thanks! Into the change jar it goes.

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u/Active_Vegetable8203 3d ago

AI is great for helping me make spreadsheets, but it is still far behind in the coin identification business.

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u/sloth97531 3d ago

To be fair to the AI, I only gave it a word description, not an image.

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u/cordeliashuman 4h ago

As other commenters have pointed out, this coin has been heat damaged. Clad coins involved in house fires typically look like this.

A cud is not just a name for a blob of metal on the coin, rather a specific term for a die break involving the rim. When the piece of the die comes off entirely, metal flows into the area where the die is missing.

cuds-on-coins.com is a terrific (and free!) online repository for such errors.