It looks like Die Deterioration doubling. Sorry but these are common and not considered errors
It looks like a nice example of strike doubling. Also called mechanical or machine doubling. As I'm sure you're aware, this adds no premium but...
And what mint used a 2 as a mintmark? I don't know why you even bother to post questions since you already seen to know the answer. Oh well,...
No, it's definitely damage. I highly recommend you read Wexler doubled die site and error -ref. Then go back and read them again. Ask...
From all your pics it looks pressed in. Also, if you look at the reverse, there is rim damage in the same general area. It's just PMD and not a...
Sorry, but your coin has the Lincoln Memorial reverse which started in 1959. A 1914 cent would have a wheat stalk reverse. Your coin is a...
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Looks like a filled die. Interesting but probably not worth anything over face value. However I would keep it if I found it
Ein bier bitte
I tried H2SO4, HNO3 and HF in the chem lab when I was in grad school and never had any luck with SLQs. I don't think I ever tried glacial acetic...
What was the foreign planchet and who authenticated it? Since the last aluminum planchet used by the US mint to strike foreign coins was the...
If you have the 2 on the left, it's a large date. If you have the 2 on the right It's a small date. Can't be anything else
You're right, Flat and shelf like = machine doubling. [ATTACH]
Sorry, but it's zinc rot. The copper plating has been breeched and the underlying zinc is corroding. Not a mint error
Agree with Jim I use Mitutoyo at work, but have a cheap pair from Harbor Freight that I use at home for coins and it works fine. Before that I...
The problem you have is that it is nearly impossible for the mint to strike a coin with one die and some very specific and unlikely events would...
Unless you can show that your coin has provenance to Eva Adams or Lester Merkin, it is going to be extremely difficult to prove that you have an...
You DO NOT have a 1964 SMS. Read the following https://www.pcgs.com/news/1964-Special-Mint-Set-Coins I hate You Tube. Yes, 1964 SMS coins...
Sorry, but a dealer isn't going to offer you very much and don't be surprised if the tell you they have no interest in buying them. Although it's...
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