http://www.error-ref.com/rolled-thin-planchets/
Assuming it was properly separated from the THC which is often an expensive process. To bad the inspection dogs have difficulty determining the...
Since the acid attacks the coin from all three dimensions , including the details of the coin. The mushiness that Paddy mentions is due to small...
That's fun. Usually they are separate or missing some. It is a punch applied outside the mint, so they are only worth what you consider them. Hope...
The only way I know that doesn't use chemicals is the old chewing it as it is rawhide at that point. How are Tom's teeth ( if he has any ?) The...
Since chromium is a product often used in tanning, most leather is processed overseas in countries that allow it ( usually flows to the ocean or...
I do not believe that is a fingerprint. It is difficult for the fingertip to deposit material that close to the edge of devices such as the 'N'...
if you can't edited it due to time interval, let me know and I will change it for you, Jim
There is a search box , upper right corner of page. here are some older threads that are on the subject back to 2010, Jim...
If he is asking 20000e, I would not buy on the words of us that only have photos and not see the coin in hand. Offer to give him a small amount...
The D mm was hit and the top pushed off the base by force. Damage. The top of the underlying portion is more flat than curved like an S would be. Jim
For ez-est, I start with a low % as it is extremely strong fresh and full. I start at about 10% dip and 90% water as a use once-throw away...
You can see in the 1968 cent how very close the lettering and date is to the rim caused by deterioration and overuse. Most of that era before the...
I agree, can't see any. Maybe the light direction/arrangement is different when looking with magnifier and when photographing. Even light is very...
Hate to spoil the fun, but there are no oil glands on the fingertips. Fingerprints are caused by the salts in sweat from the sudoriferous glands...
Agree ,damaged after it left the mint. It could be a collector found it and realized the ground/worn part on the left lower rim was damaged and...
It is corrosion, same as toning, so a silver dip would remove the layer and fingerprint. A hazardous action if you do not have extensive practice....
I do not see any thing that indicates it is a DDO, some machine doubling , maybe some die deterioration. IMO, Jim
Easy to tell, the copper-nickel weighs only 42 grams. I agree, looks more CuNi.
Some of the newer jewelry tools for making rings from coins start with a circular cutout ( they use a hollow punch ) , although a dime is very...
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