The best way to learn about errors is to learn about the minting process. I don't have anything specific, but there is a lot of info out there....
Copper is a very reactive metal and there are lots of things in the environment that can cause it to change colors. As a general rule, funky...
Sorry, but it's not a mint error. The circular cut is likely from being clamped or chucked into something. Whatever wore down the lower half of...
Without a doubt, what Chris said in post #4
I think the toning is heat related, but it's really hard to tell natural toning from other sources on modern copper, so I can't say for certain....
I've seen lots of weak STATES on cents and I don't think it's a filled die. The base of Lincoln's portrait is the highest relief on the obv. and...
I can't tell for certain from the pic but it does look replated. The discolored area on the reverse may indicate some rust formation under the...
You're right about your luck. The coin was damaged after it left the mint. Someone pounded down the edges. That's why it's a smaller than a...
Sorry but it's just wear and tear. Keep looking, there are lots of interesting errors out there. Most aren't worth much, but the more you look,...
Someone having fun with a vise.
I've seen a few of these over the years and always considered it a clashed die. Occasionally you can even see remnants of Liberty between the...
The melting point of zinc is only 787F. It's easy to heat it until it melts. The outer copper coating will reamain solid but will warp and...
If it's a regal issue and not a rare date or issue (I don't have my books handy), it's not worth much. Maybe $5 in a pick box. Too much porosity...
Sorry, but not an error. Just a cent that has seen it's better days. Probably been in an acidic environment.
Fake. Although it isn't a great pic, look at the area where the L should be. Lots of marks and wrinkling. It looks like the original L was...
Also says Unknown manufacturer
mintage of 1500 in plated silver and 1000 in plated nickel silver. Listed as not being for general circulation. Must be common because it is...
Funck-633.1.
What 2Old said.
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