This is referring to how the planchet was laying in the annealing drum when it dried. You must not have read this part. "See the edge photo (#3)...
Nice Find!
Here's a pretty good explanation. http://www.coin-rare.com/mississippi-state-quarter-mint-error-coin-ms66.aspx
Read this thread https://www.cointalk.com/threads/2017-d-new-jersey-ellis-island-improper-annealing.307775/#post-2942393
In that case yes to environmental damage.
Is the edge of the coin also discolored or does it look shiny and new. If it looks shiny it's improperly annealed.
USA Coin Book shows the C&A touching on the 1964. https://www.usacoinbook.com/us-coins/1964-roosevelt-dime.jpg It is also showing a doubled die...
Here's a list someone on this forum posted. I wish I could remember who it was so I can give him/her credit. I added a few things to the list....
Thanks Fred.
Off Center
Haha, yes, that's one ugly coin.
The coin does not have any rotation.
Fred, Could you please tell me your opinion on this coin I posted? The reeded edge looks like Rick's coin....
Or did something else cause this strike? Both sides of the coin have a strong strike in the center, but along the edge it looks like a weak...
Henning counterfeited nickels.
Does the design count as an error?
I've been thinking for twenty minutes for something witty to say. I've got nothing. Happy Hanukkah. And in twelve days, Merry Christmas.
The Q tips were a joke. Obviously not a very good one.
From what I've seen, most of the millennials don't collect anything.
Key dates: 1992 Close AM 1996 Wide AM 1998 Wide AM 1999 Wide AM 2000 Wide AM
Separate names with a comma.