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<p>[QUOTE="baseballj1j, post: 675536, member: 20295"]<b>AT NT toning</b></p><p><br /></p><p>I agree with you all, some doctors out there are very deceptive with there methods, liquid and heat treatments will not flow well with the luster or cartwheel effect under a light source. However hydrosulphuric acid in its gascious form is what causes the toning from old albums as sulphites were used in the paper making process. If one can reproduce H2S in gascious form and treat a coin in some way, i believe it would be impossible to detect. Regardless if you find a coin attractive and you like the price, and the toning doesnt appear to be AT with some sort of heat or acid/sulphur compound buy it. Beauty is in the eye of the beholder.[/QUOTE]</p><p><br /></p>
[QUOTE="baseballj1j, post: 675536, member: 20295"][b]AT NT toning[/b] I agree with you all, some doctors out there are very deceptive with there methods, liquid and heat treatments will not flow well with the luster or cartwheel effect under a light source. However hydrosulphuric acid in its gascious form is what causes the toning from old albums as sulphites were used in the paper making process. If one can reproduce H2S in gascious form and treat a coin in some way, i believe it would be impossible to detect. Regardless if you find a coin attractive and you like the price, and the toning doesnt appear to be AT with some sort of heat or acid/sulphur compound buy it. Beauty is in the eye of the beholder.[/QUOTE]
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