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<p>[QUOTE="Oldhoopster, post: 4618483, member: 84179"]If you like toned coins look at as many as possible that are already in TPG slabs. While there are some strong opinions as to what constitutes Natural Toning, Artifical Toning, and Accelerated Toning, coins in TPG slabs are generally considered to be “Market Acceptable”. Since the prices for toned coins have skyrocketed in the last few years, some people with a knowledge of chemistry and metallurgy have tried to capitalize be “helping” the process. And a few are quite good. The more coins you look at, the better you’ll be at spotting the “better living through chemistry” fakes. Here is a good sites that explains the color sequence on NT coins</p><p><br /></p><p> </p><p><br /></p><p><a href="http://www.1881o.com/assets/sunnywood-toning-classification-system2.pdf" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.1881o.com/assets/sunnywood-toning-classification-system2.pdf" rel="nofollow">http://www.1881o.com/assets/sunnywood-toning-classification-system2.pdf</a>[/QUOTE]</p><p><br /></p>
[QUOTE="Oldhoopster, post: 4618483, member: 84179"]If you like toned coins look at as many as possible that are already in TPG slabs. While there are some strong opinions as to what constitutes Natural Toning, Artifical Toning, and Accelerated Toning, coins in TPG slabs are generally considered to be “Market Acceptable”. Since the prices for toned coins have skyrocketed in the last few years, some people with a knowledge of chemistry and metallurgy have tried to capitalize be “helping” the process. And a few are quite good. The more coins you look at, the better you’ll be at spotting the “better living through chemistry” fakes. Here is a good sites that explains the color sequence on NT coins [URL]http://www.1881o.com/assets/sunnywood-toning-classification-system2.pdf[/URL][/QUOTE]
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