Well, maybe MS70 was used on them. But here's the thing, copper coins can and do tone, and tone completely naturally, to various shades of blue...
And which group do you think I fall into ? And yeah, there's a reason I'm asking.
It's going to be pretty rare that distilled water, acetone, and or xylene doesn't remove whatever it is you're trying to get off the coin. I...
As long as one holds the can upright, nothing comes out but air. Now if ya tilt the can or hold it sideways, then yeah a bit of liquid can come...
For those who don't know - bur·nish /ˈbərniSH/ Learn to pronounce verb polish (something, especially metal) by rubbing.
Ziplock bags actually will inhibit toning - but inhibit means slow down, it does not mean stop. And Ziplocks slow down toning because they help...
PCGS is more lenient on every special designation there is - every single one !
Others have provide adequate answers regarding documentation. As for Coin Care, please don't use it. And yes, there is an oily residue because it...
Yup, definitely photo shopped. They were all flat - they just forgot to do the earth when they did that picture :)
Correct. And the reason they labeled it as Altered Surfaces is because that term covers a lot of different things, polishing is merely one of...
Toning is toning regardless of color, but yes, all toning has a color. The thing is the number of possible colors is the full color spectrum. As...
Yup, happens quite a lot actually. Your comment seems to indicate that you think the dirt is just sitting there on the surface of the coin as if...
Saying that people who pull State Quarters out of change and throw them in a jar, put them in one of the US map boards, or anything even remotely...
I'm sorry but he's wrong. And I understand all your questions. Paint thinner is harmful because it does not completely evaporate, it leaves stuff...
Well, what you are "supposed to do with it" is pour it back into a metal container with a sealed lid/cap and then return it to a paint or hardware...
You wanna get even more confused, go look at what NGC says for the same designation. As for questioning if a coin is worthy of the designation/s...
I would say no, but it was very dirty. And since MS70 is a detergent, it makes sense that it would take it off.
I'll let Jeff answer your question specifically, but I will say this. It's not the actual PVC that gets on the coins, it's the softening agent...
Yes - you need to contact whoever shipped it to you ! If the package was insured, only the shipper can file a claim with the P.O. Of that I'm...
Well baseball, "my way" is pretty well defined as I have stated it many times. It's also quite simple - collect whatever you like. And yeah, that...
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