Sorry, no. If it were proof, it would have very square and sharp rims and a mirror finish in the fields. You have a Philadelphia minted cent.
Point us to what you see that makes you think they might be error coins.
Don't use tomato soup, it has too much acid that will just damage your coin.
http://www.coolserialnumbers.com/FancySerialNumbers.aspx
Uh, yes, there is. OP posted a photo of one.
I can't take this any more.
Unique: Origin early 17th century: from French, from Latin unicus, from unus ‘one.’
So glad to hear that! Thanks, Paddy.
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[ATTACH] [ATTACH] [ATTACH]
No, it's damaged!
No, it's not an error. Coins do not come out of the dies scratched up. BTW, a poll is optional.
Where do you see doubling?
Why would you want to store them?!
Can you post a pic of the other side of the card? It might tell who put the set together.
Notice that "CENT" in the glue is reversed. It's a dead give away for a glued cent.
Post a pic of it on a scale, too
Your pic is not of the '83 you originally posted. That weight is normal for the '82 on the scale. Put the '83 on the scale.
What makes you ask? Do you think you have one?
Separate names with a comma.