It well could be that someone tried to use electrolysis to bronze it for a huge price effect and chemical reactions formed the tiny gas bubble...
Each person has their specific reasoning on coins: physical condition,historical,scarcity, and probably others on determining it's personal...
Darn the delayyyyyyyyyyyyyyyyyyyyy
I remember seeing such for sale on Ali-Express about 10+ years ago, for $1 or so. There were a large variety of such "special" coins using the old...
Die deterioration is common in frequency as dies start to spread outward ( best guess after about quarter to half million produced coins or more~...
If you haven't been sending coins off for grading/slabbing for at least a strong year of collecting and comparing with your expectations, I would...
Die deterioration doubling. Notice " Liberty" pushed up to the perimeter edge and its flattened doubling appearance. IMO, Jim
As above, die deterioration doubling. Overused die spread to the rim, IMO, Jim
Although it probably won't matter, I have to agree with the horse. I do not see it as an RPM either. IMO, Jim
Yes, I echo the best wishes to your recovery! Jim
"sorry for saying the restricted C word...just conversation. Not sure why it bothered you or why you took the time to read and comment but I...
?? How odd. When Covid and vaccinations became a subject in 2018-19, discussion was cut off as it was somehow considered involved with politics....
True doubled dies are basically gone. Single squeeze die production took over in 1997, and actual double dies technically could not be produced....
"Left on counter alone"
If the mark was organic, the acetone could dissolve it, not so if it is an alteration in/on the metal. Jim
I think it is important to have enough sensitivity to measure .001g at the least. A .0001g is better if you are working with tiny amounts of...
Yes, it will have to be a personal decision. They also attribute coins, sell coins, etc. And at this site, we just give our knowledge and...
If the perimeter is smooth, I would suspect a dryer coin. Nothing scarce. Jim
Looking at the above photo, it is not a doubled die as in the "W", the effect shown has basically divided the width of the W arms. A true doubled...
Separate names with a comma.
