What about this ? [ATTACH] Sorry just being a pain in the ... :woot: Technically, it was made by the US Mint. To be clear. This has nothing to...
Personally, I would leave it alone. However, you could check with Numismatic Conservation Services (I think they are part of NGC) to see what...
@shilines Are you looking for confirmation that you have the rare and valuable 1969-S Doubled die, or are you trying to get information to...
Not that it really matters, but it's definitely been turned on a lathe. Could be a cutting tool and/or abrasive. The circular lines are a dead...
Don't forget your coin has PMD. There is no error. Going through the exercise of removing the glue/plastic/crud is a good learning experience,...
You can just reread my answer when you posted the same coin earlier in the week. https://www.cointalk.com/threads/2017-p-lincoln-error.317509/ I...
I strongly agree with @C-B-D buy a copy of "A Guidebook of United States Coins" (the Redbook). It will give you a tremendous amount of...
Maybe an RPM. Check here: http://www.varietyvista.com/
I don't have any data or chemistry information to prove it, but I strongly believe that chemical corrosion like this can spread via contact....
Nice to see you back @green18
Live by the Snark, Die by the Snark. I usually double check my posts for Grammar and Spelling after I hit the reply button and end up editing...
Sorry, but it appears as if your coin was plated after it left the mint. This was a common science experiment performed in High School Chemistry...
Yes. It's my understanding that the sheets of steel were zinc plated, then the blanks were punched. (I'm sure I'll be corrected if I'm wrong)
Can't quite make out the orientation, but if it's raised, it's probably a die gouge/tooling mark or die chip. If it's recessed then I would guess...
But @Sallent seems like a pretty good guy, even if he is a lawyer ;)
File a "Not As Described" complaint with ebay and ask for a refund. These characters with the "estate find" sales, prey on unsuspecting...
I believe you're correct on the PMD. Possibly from a coin rolling machine or something else pressed the coin just inside the rim. A doubled die...
Large Motto
Sorry, but it's just environmental damage. It is worth a quarter. It's not uncommon to find coins that have been buried to look like that. If...
Don't they both remove metal from the surface of the coin? Technically, however, you are correct. One is chemical and one is more physical (if...
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