Doug covered most of your questions. I will add a little.... In general, I rarely bath coins in acetone. I prefer to use it as a rinse in most...
Because copper is able to complex with many more elements (and molecules) than those other metals.
Every coin and surface residue problem is different, I cannot really answer your question. However, I always recommend using the solvent polarity...
Nice looking cent!
Doug, if it makes you feel better, I have seen the effect you're talking about on a couple of occasions. However, it's not a reaction, it's simple...
Post some pictures. Getting colorful copper through any of the TPG's these days is a crap shoot. Regardless of the toning method, it comes down to...
Yea, ancient collectors have little choice. Most of the time you either have an unrecognizable blob of metal or you have something that you can...
I have one exactly like it and I have seen many others. It's definately PMD.
Awesome find! Looks to be at least AU too!
Here's the only other 43 I've seen with toning. It has a light straw color with a blue color around the portrait....tough for me to capture:
Extremely rare to find these with any kind of toning! NICE PICK!
Looks good, excellent white balance!
As usual, I have to agree with Jim. Metals cannot react with acetone.
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