Sorry, but it's not an error. It's commonly referred to as a dryer coin The coin gets stuck and tumbles around. This can happen when a coin gets stuck between the drum and outer wall of a commercial dryer. There other scenarios where this can occur as well. It's a damaged coin
Not an error. Damage done after the mint
A Young Numismatist/collector. Enjoy collecting coins and flipping items for fun, and profit.
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The Lincoln head and memorial looks to be even smaller
Thank you, looks very odd
Welcome to the forum!
Looks like it might be some type of novelty item and not a genuine U.S. coin.
There is a good explanation of dryer coins on error-ref.com, which is edited by a group that includes Fred Weinberg and Mike Diamond
I'm sure this coin was a dryer coin, thank you for the information