It looks like there might be some PVC residue on the coin. This is acidic and will damage the coin. A good acetone dip will remove it without...
I'm not sure how a cud can be black. Shouldn't a cud be the same color as the planchet? Would you please clarify why you think the cud turned...
Agree with @paddyman98. It really has very little additional value, but it is a nice example of a filled die and/or deteriorated die. If I got...
That is an excellent example of machine doubling as others have already posted. If I found this, I would still keep it and put it in a 2x2 even...
Since you said in the original post, that the letters are under dark areas and they appear to be raised off the surface of the coin (based on your...
There is some info in another CT thread that may help https://www.cointalk.com/threads/irish-political-tokens.188964/
The typical, run of the mill 1983 quarters you find in change will be worth a quarter. As others have said it needs to be in like new condition....
Referring to replating the zinc. Based on the weight and magnetism, it appears to be an altered 1943 cent, not a plated 1944
Adding digits and mintmarks was a common way to make counterfeits years ago. The MM or digit was skillfully removed from a coin and then...
Plating only adds a very small amount of material to the coin and your scale doesn't have the precision to measure it. In addition, the weight of...
I have a few decent ones that had been previously attributed. I once bought a bargain lot and a reference to ID them but I never could quite pick...
This thread has some historical info. https://www.cointalk.com/threads/solidus-of-queen-christina-of-sweden.299417/ I have a few that are these...
You might want to try something from the Gallienus “Zoo” Series. Gallienus issued some Antoninianii with animals on the reverse. You can do a...
It’s just a few hits that pushed up the metal. When a coin has suffered a lot of PMD like this one, it’s almost a certainty that anything...
The coat of arms indicates it was from the mint in Holland. These coins were issued by a few mints over a wide range of dates and most are...
It looks like machine doubling, which does not add any value
Agree. only worth face value
Appreciate your cynicism. Did the coin dealer weigh the coin? A simple look in the red book would tell you that the silver issue has a different...
Normal 1950 cent
@Wheels. In addition to Paddyman's explanation, purchasing plated planchets was a new process for the mint in 1982. Plating blisters and split...
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