Yeah, sometimes they are, but a whole lot of the time they aren't round at all. I've seen lots of streaks, even seen examples where most of an...
No, it will not. But you need to be aware, the purpose of Verdi-Care is to remove verdigris, and it does that rather well but with certain...
It's pretty simple. Lower quality or not, if you can't see at a glance that it's a Proof, then don't buy the coin.
You're correct, I did not understand that based on what you originally said. You're correct.
I have no idea if it's helped or not. But given what they say in that article - The RCM announced Feb. 2 during the World Money Fair in Berlin...
For whatever it's worth, there are many examples of light colored spots on silver coins that many people call or refer to them as being milk...
Facts: the problem is and always has been worldwide, nobody knows what causes milk spots but there are several theories, nobody knows how to...
Been there done that - a lot ! :)
It takes experience to know what is on coins. Green stuff ? PVC residue can be green but isn't always green, verdigris is green, even some toning...
I'd use xylene as it works much better at removing oils and or oily residues. A very, very, bad idea. Acetone dissolves most plastics -...
Uhhh - what I said IS one of the ways I do give a like ;)
Yeah, for plastic buyers it has. For people who buy coins - not the plastic - it hasn't changed a bit.
Ahhhh - my favorite experiment, dipping half the coin :) More can and will be learned by doing this than just about anything else. In point of...
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 !
Separate names with a comma.
