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Does every old envelope have sulfur in it? How can you tell?
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<p>[QUOTE="johnmilton, post: 3568128, member: 101855"]I can’t see a problem with envelope toning, especially when it’s the type that takes years to form. It’s how the original toning got there. </p><p><br /></p><p>As for these continuing comments about how all toning is corrosion, perhaps we a different definition of corrosion. To me corrosion is oxidation that has or is in the process of destroying the coin. Toning is a thin natural layer of oxidized metal that serves to protect the coin if the piece is properly stored.</p><p><br /></p><p>If you purists think that all toning is bad, then most all you will collect will be modern coins, some Morgan and Peace Dollars and other coins that have been dipped or cleaned. </p><p><br /></p><p>This gets back to a self-styled “expert” who got the ear of the editors of “Coin World” 20 to 25 years ago. He got to write a series of front page “news stories” that stated that all silver coins with toning were “damaged” and destined to turn as black as coal. His articles should have been on the editorial page. They were only opinions. </p><p><br /></p><p>Given proper storage, that might be true if you held the piece for a couple thousand years, but I don’t think I will be collecting for that long. I’ve owned some toned silver coins for 40 years, and they have not changed. My avatar, an 1805 dime, is a prime example.[/QUOTE]</p><p><br /></p>
[QUOTE="johnmilton, post: 3568128, member: 101855"]I can’t see a problem with envelope toning, especially when it’s the type that takes years to form. It’s how the original toning got there. As for these continuing comments about how all toning is corrosion, perhaps we a different definition of corrosion. To me corrosion is oxidation that has or is in the process of destroying the coin. Toning is a thin natural layer of oxidized metal that serves to protect the coin if the piece is properly stored. If you purists think that all toning is bad, then most all you will collect will be modern coins, some Morgan and Peace Dollars and other coins that have been dipped or cleaned. This gets back to a self-styled “expert” who got the ear of the editors of “Coin World” 20 to 25 years ago. He got to write a series of front page “news stories” that stated that all silver coins with toning were “damaged” and destined to turn as black as coal. His articles should have been on the editorial page. They were only opinions. Given proper storage, that might be true if you held the piece for a couple thousand years, but I don’t think I will be collecting for that long. I’ve owned some toned silver coins for 40 years, and they have not changed. My avatar, an 1805 dime, is a prime example.[/QUOTE]
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Does every old envelope have sulfur in it? How can you tell?
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