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If in doubt, you can always take it to a local coin dealer and ask for his opinion. But chances are, all will say it's post mint damage, as in, someone intentionally damaged it so that it looks like it is an error coin, hoping to fool people and sell it at a fat profit. Or alternatively, done it in mischief.
There is no way that such coin could have been made in the mint. Look carefully, you can see the Memorial House UNDER the reversed image of President Lincoln. It does look like it was flattened. How exactly can you explain that it was done in the mint? The coin that you have was struck on top of another coin?
But how? Assume the following. If the first coin was struck 100% perfect and somehow got stuck in between the dies, the second coin cannot be struck perfectly. Alternatively there are two coins got stuck and somehow the first coin got above of the second coin. But how can that happen when planchets are feeded one way - as in, there is only one direction the planchets can get through - that is to get struck and then out, come out as coins. There is no way the Mint has made such bizarre errors unless intentional but most common kind of this "error" coin that you have are squeeze job.
Overall value: 1 cent.
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