Finned lincoln

[1sgret]

This is a 1997-P Lincoln 1C which is classified as a "Finned Coin". The cause is excessive space between the die shaft and the collar. It is due to either a smaller than normal die shaft, or a larger than normal collar diameter. Either cause will result in excessive space between the die shaft and the collar, allowing coin metal to squeeze during the strike.

This coin exhibits a thin shell of metal extending beyond the normal thickness of the coin around the rim. This example is about 1/16" higher.

[CCC]

Nice Coin. Nice find.

[JeanK]

Sort of funny looking, but still a really nice coin.
JeanK

[CCC]

Actually you can feel the difference over time that the rim is raised higher. I have no example like this but sometimes the feel of a coin will pay off over time.

[1sgret]

The rim on this one is sharp and extends way above the fields of the coin. Alot of error dealers call these "over pressure strikes." I understand that not too much study has been done on this error.
You can find them on the auction site once in awhile for around $15-$30. Nice item to add to a collection of errors.