I see die deterioration doubling. There are several types of doubling other than a doubled die that can be found on coins. This page covers the...
Here is a guide to help you learn the differences in the MANY different types of doubling: http://www.lincolncentsonline.com/mechanicalDoubling.html
Some people have wondered if altering a US coin is illegal. As long as there is no intent to defraud someone, as in counterfeiting, it is not...
There are many types of doubling that can be found on Lincoln cents. http://www.lincolncentsonline.com/mechanicalDoubling.html Most of them do not...
http://www.lincolncentsonline.com/closeWide.html
Looks like it could have been a plating issue that has started to deteriorate.
Nice find!
There are many varieties of doubled dies other than the major ones you see in books such as the Red Book. You need to learn what to look for to...
Here are some photos of more laminated Lincoln Cents: http://www.lincolncentsonline.com/laminations.html
A very nice find!
Learn about true doubled die varieties here: http://www.lincolncentsonline.com/doubledDies.html Learn about other doubling errors here:...
The top photo is from http://doubleddie.com/828697.html showing the 1980 DDO-001 The bottom coin is the original poster's coin. It IS a match.
Check out this online error guide: http://www.lincolncentsonline.com/error.html It should help you learn what to look for.
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