It’s probably been exposed to acid as stated. The obverse lines may have resulted from the reaction of the acid with an improperly mixed alloy...
Beat up! Dryer coin: http://www.error-ref.com/?s=Dryer+coin
It’s a strike through. Nice!
Very nice lamination. http://www.error-ref.com/?s=Lamination+
Unfortunately, no. Very nice FS- 512!
I think it’s had some polishing and also has a ridge ring from a worn die.
Here’s a minor example, there’s others. http://varietyvista.com/01a%20LC%20Doubled%20Dies%20Vol%201/1946DDDO001.htm
You are now honorary Polish! Welcome to my community. You passed your first test! Don’t worry about the coin, I ate several when I was a YN and...
First, why are you wanting to use a cotton swab on a coin? Obviously to remove some type of debris. The debris embeds in the swab and becomes like...
It’s PMD.
Where can I find this information? Thanks
Can you post a closeup of the mint mark?
How about a closeup of the mint mark and the R in QUARTER? Ease up on the lighting if you can. The MM placement looks off but it’s hard to tell...
Welcome to CT. I’m not seeing any doubling. Here’s some good resources for you to read. Make sure you read about the minting process first! If...
The 99 is slightly mad, common on dimes. How about a closeup, cropped, in focus (for once) picture of the torch on the 70-D?
This is not my area at all but I’ll take a stab just for fun on John’s coins. 1) MS 63 2) MS 60, if the marks in the fields are on the coin and...
It’s from a coin roller machine.
Environmental damage.
Me too. Hopefully he’ll get back with you! I miss his posts.
It would be interesting to know what @DatDareNickelGuy has found?
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