Filled dies ARE considered errors. But you're correct, most are considered minor and don't add much if any additional value....
Try this https://www.pcgs.com/coinfacts/category/patterns/15
Fred is THE error expert, not patterns. Edit to add: @Pete Doelger Does it meet the exact dimensions and weight of the Judd listing? It's easy...
Please don't post links like this. They never tell you the whole story. Technically, a transitional error could be found in change but you have...
When I was kid in the 70s it was very difficult to find good info on coins outside of the Redbook. In the late 80s and early 90s, specialized...
Something like the coin on the right [IMG] Picture from:...
I’m absolutely going to tell you it’s worthless doubling because that’s what it is. No good news for you today :facepalm: Go to the...
Google is your friend https://en.wikipedia.org/wiki/Twenty-cent_piece_(United_States_coin) Usually, there is short write up about each coin...
I also feel it's a cast fake. It has the rough surface appearance of a casting and the letters/devices are mushy and indistinct. Also, castings...
I believe the concern was people clipping silver and gold coins, hence the need for a reeded/decorated edge. I don't think this was an issue with...
Olive oil was recommended when I played with uncleaned ancients 15-20 years ago. Had mixed results. Olive Oil is supposed to be slightly acidic...
:wacky: The 1970-S overstruck on a silver Canadian quarter came from a time period when a lot of “spectacular” errors left the SF mint. The...
My post was in response to the coin in the OP and that toning was the sole reason he received such a high offer. Are you saying that the comment...
The only reason you received such a high offer is toned coins are all the rage. The value is in the toning, not the scarcity of the date or...
Entry post I like coin #19. The two digit IZ date (=12) is cool
No Acetone does not affect toning on a coin. Its a solvent that devices organic residue, dirt, etc. Check out some the recent threads regarding...
Nice pics Your coin doesn't match the RPM listed by Wexler and variety vista doesn't list anything. There is PMD in the field to the left of the...
Thanks everyone for the Day 2 COINmas Prize
@GDJMSP makes an important point; there is no one size fits all method. What do you want to remove? How much do you want to remove? What's the...
The minting and die making processes are well documented and people have taken the time to study them. With this understanding, it's easy to see...
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