The reason Aluminum feels cold is that it has a high specific heat and transmits heat away so well. BTW those "Instant Thawing" trays you see on...
Actually I remember ordering coins in the old days before TPG's and it was a bit of a "pig in a poke" situation. I think the TPG's were to...
Someone here posted a good hint. When you put the container with water on the balance, before you zero it, put the tweezers you are going to hold...
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yeah, me too
If B were true, there should be more out there.
[IMG]
I have a 1945 P dime that is REALLY close to FSB, which is the most lenient TPG I could send it to in order to get the FSB designation?
Just saw those on e-bay, they're vinyl.
Like this... [IMG]
Once again, look for Mylar, Polyester or PET and for the wording unplasticized or plasticizer free. Wizard Coin Supply is a highly reputable vendor.
Uh...yeah, grading is an expensive proposition and usually recommended for coins in the $100 or more range. Plus, there are lots of fakes out...
Look on e-bay, there are lots out there.
Is this what you have? [IMG] Stay away from anything that says vinyl. PET, Mylar or polyester are three names for the preferred material. I'm...
You beat me to it...
The flat, shelf-like nature of the doubling makes me think MD. I'm sure someone will post a link that will help you. BTW where is the "red dot",...
How are you doing the specific gravity test?
@Mattellis what people are trying to say is that it takes time to play guessing games, "What's wrong with my coin", but much easier to respond to...
What happened with them?
I would think acetone would be fine on tin coins, xylene is another possibility. https://www.ebay.com/b/Tin-World-Coins/256/bn_26720663
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