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<p>[QUOTE=&quot;desertgem, post: 4082499, member: 15199&quot;]Unless all coins are stored in a total vacuum, that is what they are constantly doing, forming bonds with the metal. Maybe only one or two people can give a comprehensive composition of the air that surrounds their coins at any specific times, even if they are in slabs or protective holders. </p><p><br /></p><p>I also have proof about the dissolving copper quote also. When Thad changed it from Verdi-gone to VerdiCare ( I seem to remember it being more than 4 years, I put some copper cents in a class chem container with some copper cents that had some corrosion. I dug around in my chem stuff and found it , still sealed, still liquid solution and still with the coins. I will post photo when I get a little time.I am really glad someone reminded me about that!&nbsp; Jim[/QUOTE]</p><p><br /></p>

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