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<p>[QUOTE=&quot;CamaroDMD, post: 1864071, member: 5233&quot;]This is very true...also I don&#039;t know that AT is really defined in the market either, at least to a certain degree.&nbsp; I&#039;m talking about the difficulty of detecting AT verses NT...I&#039;m talking about what constitutes the process of AT.&nbsp; Now, everyone knows chemically altering the surface of a coin and placing it in an oven as AT.&nbsp; But, is intentionally placing a coin in an environment for a long time AT?&nbsp; Is placing a coin in a paper envelope on the window sill for 6 months (with obvious intention to tone it) AT?&nbsp; Or even less suspicious, is using coin folds/books known to tone coins in the hopes of toning a coin AT?</p><p><br /></p><p>You or I may have specific ideas on what the source of acceptable toning is...but there is certainly no widely accepted standard.&nbsp; I think if we had an accepted standard...we might be able to devise better ways to distinguish NT from AT.&nbsp; But then again, maybe that would just make it more complicated.[/QUOTE]</p><p><br /></p>

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