LETS PLAY PRETEND....

Hopefully we can agree to disagree. Have a nice evening sir. Peace

 

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So, dipping a coin ruins the finish? The luster?

 

They consider that acceptable now. We didn't. I don't know we ever called them cleaned, though. Specific to your question, it alters the finish/luster/wheel/patina whatever the adjective the more perceptibly the worse it's done. Even acetone "dampens" the finish. And it's irreversible. Knowledge. What a good thing to have when you have to make decisions.

 

Total BS. You will not find one knowledgeable person that believes that.

 

How charming. The bully can’t find any better diction than that in his limited vocabulary to express his disagreement, so he snaps.

 

Agreed. In my experience of using acetone over several decades, coins usually come out of the wash looking more vibrant than before, particularly with mint state uncirculated coins.

The reason is elementary, really. Any presence of organic contaminants, even minute amounts invisible to the naked eye, can have a dulling effect. Acetone floats those contaminants away, revealing the true appearance of the coin.

If the coin comes out unchanged, I take that as a likely indication that the coin was properly stored and protected by the previous owner.

Acetone won't do much for the appearance of a dull circulated coin, but since such coins sometimes come with organic debris accumulated in the devices, an acetone soak is still a smart conservation step.

 

I'll agree with the exception of copper and bronze coins, which often come out of acetone looking "dried out," and a bit less dynamic.

 

Acetone WILL NOT react with the metal surface of a coin

 

You're confusing "bully who snaps" with "knowledgeable person whose tolerance for misinformation is not unlimited".

 

Thank you and I apologize, to @eddiespin whose posts igenerly like.

 

Thank you for a reply I can actually communicate with. FWIW, that was exactly my observation. Old copper, especially, feels it. There's even an old thread in the PCGS archives started by a member there who soaked his toned 90% silver in it to shake off some of the loose crud that formed on the coins over the years he had them. I want to say they were 90% silver halves, but I'm a little hazy on that. It was back in the days when we were seeing coin doctors around every corner, credit a PCGS lawsuit that sat in federal court for 6 months without service on any of the named defendants, and was ultimately dismissed out for it. In other words, it was a marketing stunt. Do you recall when PCGS came out with their so-called "coin sniffer," and all those just as phony "Secure" slabs they couldn't give away if they hadn't instilled that fear of coin doctors in everybody? Fear, it sells. But that toning was dulled on those halves, and everybody could see it in the before and after shots. Of course, most there wouldn't admit it. But then, that's hardly being full of any news. You want to be a good PCGS member, you don't rock the boat and question their "experts." And besides, those members got their due. They're the ones stuck with most of the PCGS Secure slabs we're still laughing off now, I'm sure.

 

I take it back. But I found the reply little hard to communicate with.

 

mea culpa