My apologies, but you didn't respond to the question. Let's break it down into questions that are yes/no, so we can formulate why you found it...
It might be plated in silver or some other shiny white metal. A silver quarter would be ~6.25g. A standard 75/25 quarter is 5.67g. You might want...
It's not reacting with plastic, per se. It's reacting with the gases released by chemicals associated with the plastic. Kentucky's explanation is...
I would say that's at least partially a result of environment, rather than just attributing it to "air". The leather undergoes multiple...
PCGS has a publicly available policy that they only accept items in Mint sealed packaging. If you submit after the deadline, it must be have a...
Again, it's not plausible, as far as I'm concerned, since PCGS only accepts submissions in Mint sealed packaging postmarked before the cutoff...
At least part of my point was that it's easy to open a parcel without disturbing the postmark, but it was moreso that what you're proposing is...
I'm not sure that would work, unless it was sent Registered Mail. Even then, how would you determine the issue date for the coins unless mailed to...
Separate names with a comma.
