So machine doubling, split plate doubling that involves improper annealing, which are striking errors are mint errors, correct.
Good question. This happens during the minting process. So are only striking errors attributable mint errors?
Are roller marks considered a mint error? Thanks for your response HM
Anyone know how where these lines might have come from? See anything else?
Found another interesting coin in a bank roll. Not sure what to call it?
Thanks for your responses. I don't think left over metal could so uniformly form the 9 we see.
Any ideas what this is, or what caused this?
Thanks for the response
I found this roll hunting and am hoping for an opinion.
Found this roll hunting and am not sure what this is, clad issue? The reverse looks like it may have diagonal die cracks?
What do you folks think?
Thanks for your reply.
Internal Lamination Crack - Coneca
OK, where can I go to find out what this is called?
Does anyone know what this would be called, Mint Error?
Corroded Lamination?
OK
Spark, add vinegar to water, blue dawn?
I will soak, hot distilled water, then acetone for how long paddyman, Spark? It appears to be raised.
Has anyone seen anything like this before? Lamination?
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